Merge pull request #77 from garbados/garbados-refactor

breaking: refactor to use mocha, tweetnacl

.github/workflows/ci.yaml

@@ -0,0 +1,34 @@
+---
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  tests:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        node: [12, 14, 16]
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node }}
+
+      - uses: actions/cache@v2
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+
+      - run: npm ci
+
+      - name: unit test
+        run: npm test

.gitignore

@@ -0,0 +1,5 @@
+node_modules/
+.nyc_output/
+bundle.js 
+bundle.min.js
+scratch.js