doc: add an example in the README

README.md

@@ -1,3 +1,35 @@
 # Golb - The statically generated blogging platform
 
 > The blogging platform that put the reader first
+
+## How to use
+
+Here is an example of how to use this action in your workflow:
+
+```yml
+name: Build blog
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build-blog:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - uses: ThomasFerro/[email protected]
+        with:
+          posts_path: /github/workspace/posts
+          dist_path: /github/workspace/dist
+          global_assets_path: /github/workspace/blog/assets
+          blog_title: Thomas Ferro
+          post_page_template_path: /github/workspace/blog/postPageTemplate.go.html
+          home_page_template_path: /github/workspace/blog/homePageTemplate.go.html
+      - name: Deploy to Github Pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: dist
+```