Publish edoc on push to main

.github/workflows/doc.yaml

@@ -0,0 +1,38 @@
+name: Build and deploy documentation
+
+on:
+  push:
+    branches: ["main"]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  doc:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    container: erlang:26
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Setup Pages
+        uses: actions/configure-pages@v3
+      - name: Build edoc
+        run: |
+          rebar3 edoc
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+        with:
+          path: doc
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2