Migrate documentation to Starlight

.github/workflows/deploy-docs.yaml

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+name: Deploy to GitHub Pages
+
+on:
+  # Trigger the workflow every time you push to the `main` branch
+  # Using a different branch name? Replace `main` with your branch’s name
+  push:
+    branches: [main]
+  # Allows you to run this workflow manually from the Actions tab on GitHub.
+  workflow_dispatch:
+
+# Allow this job to clone the repo and create a page deployment
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout your repository using git
+        uses: actions/checkout@v3
+      - name: Install, build, and upload your site output
+        uses: withastro/action@v0
+        with:
+          path: ./docs # The root location of your Astro project inside the repository. (optional)
+          node-version: 18 # The specific version of Node that should be used to build your site. Defaults to 16. (optional)
+          package-manager: pnpm # The Node package manager that should be used to install dependencies and build your site. Automatically detected based on your lockfile. (optional)
+          pnpm-version: 8.x.x # If `package-manager` is set to `pnpm`, use this specific version. Defaults to `7.x.x`. (optional)
+          # resolve-dep-from-path: false # If the dependency file should be resolved from the root location of your Astro project. Defaults to `true`. (optional)
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v1

.github/workflows/test-docs-build.yml

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+name: Test docs build
+
+on:
+  pull_request:
+    branches:
+      - main
+    # Review gh actions docs if you want to further define triggers, paths, etc
+    # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#on
+
+jobs:
+  test-deploy:
+    name: Test deployment
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+
+      - uses: pnpm/action-setup@v2
+        name: Install pnpm
+        with:
+          version: 8
+          run_install: false
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Test build website
+        run: pnpm build

docs/.gitignore

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+# build output
+dist/
+# generated types
+.astro/
+
+# dependencies
+node_modules/
+
+# logs
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+
+
+# environment variables
+.env
+.env.production
+
+# macOS-specific files
+.DS_Store

docs/README.md

@@ -0,0 +1,51 @@
+# Starlight Starter Kit: Basics
+
+```
+npm create astro@latest -- --template starlight
+```
+
+[![Open in StackBlitz](https://developer.stackblitz.com/img/open_in_stackblitz.svg)](https://stackblitz.com/github/withastro/starlight/tree/main/examples/basics)
+[![Open with CodeSandbox](https://assets.codesandbox.io/github/button-edit-lime.svg)](https://codesandbox.io/p/sandbox/github/withastro/starlight/tree/main/examples/basics)
+
+> 🧑‍🚀 **Seasoned astronaut?** Delete this file. Have fun!
+
+## 🚀 Project Structure
+
+Inside of your Astro + Starlight project, you'll see the following folders and files:
+
+```
+.
+├── public/
+├── src/
+│   ├── assets/
+│   ├── content/
+│   │   ├── docs/
+│   │   └── config.ts
+│   └── env.d.ts
+├── astro.config.mjs
+├── package.json
+└── tsconfig.json
+```
+
+Starlight looks for `.md` or `.mdx` files in the `src/content/docs/` directory. Each file is exposed as a route based on its file name.
+
+Images can be added to `src/assets/` and embedded in Markdown with a relative link.
+
+Static assets, like favicons, can be placed in the `public/` directory.
+
+## 🧞 Commands
+
+All commands are run from the root of the project, from a terminal:
+
+| Command                   | Action                                           |
+| :------------------------ | :----------------------------------------------- |
+| `npm install`             | Installs dependencies                            |
+| `npm run dev`             | Starts local dev server at `localhost:4321`      |
+| `npm run build`           | Build your production site to `./dist/`          |
+| `npm run preview`         | Preview your build locally, before deploying     |
+| `npm run astro ...`       | Run CLI commands like `astro add`, `astro check` |
+| `npm run astro -- --help` | Get help using the Astro CLI                     |
+
+## 👀 Want to learn more?
+
+Check out [Starlight’s docs](https://starlight.astro.build/), read [the Astro documentation](https://docs.astro.build), or jump into the [Astro Discord server](https://astro.build/chat).

docs/astro.config.mjs

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+import { defineConfig } from 'astro/config'
+import starlight from '@astrojs/starlight'
+import { generateAPI } from 'starlight-openapi'
+// import overrideIntegration from './src/overrideIntegration.mjs'
+
+// Generate the documentation and get the associated sidebar groups.
+const { openAPISidebarGroups, starlightOpenAPI } = await generateAPI([
+  {
+    base: 'apis/resource-server',
+    label: 'Open Payments',
+    schema: '../openapi/resource-server.yaml'
+  },
+  {
+    base: 'apis/auth-server',
+    label: 'Open Payments Authorization Server',
+    schema: '../openapi/auth-server.yaml'
+  }
+])
+
+// https://astro.build/config
+export default defineConfig({
+  integrations: [
+    // overrideIntegration(),
+    starlight({
+      title: 'OpenPayments',
+      customCss: [
+        './node_modules/@interledger/docs-design-system/src/styles/green-theme.css',
+        './node_modules/@interledger/docs-design-system/src/styles/ilf-docs.css',
+        './src/styles/openpayments.css'
+      ],
+      logo: {
+        src: './public/favicon.svg'
+      },
+      sidebar: [
+        {
+          label: 'Documentation',
+          autogenerate: {
+            directory: 'introduction'
+          }
+        },
+        {
+          label: 'Security',
+          autogenerate: {
+            directory: 'security'
+          }
+        },
+        // Add the generated sidebar groups to the sidebar.
+        {
+          label: 'Specifications',
+          items: openAPISidebarGroups
+        }
+      ]
+    }),
+    starlightOpenAPI()
+  ]
+})

docs/package.json

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+{
+  "name": "openpayments-docs",
+  "type": "module",
+  "version": "0.0.1",
+  "scripts": {
+    "dev": "astro dev",
+    "start": "astro dev",
+    "build": "astro build",
+    "preview": "astro preview",
+    "astro": "astro"
+  },
+  "dependencies": {
+    "@astrojs/starlight": "0.6.1",
+    "@interledger/docs-design-system": "^0.0.12",
+    "astro": "2.10.12",
+    "sharp": "^0.32.6",
+    "shiki": "0.14.3",
+    "starlight-openapi": "^0.1.0"
+  }
+}