ci: deploy webr repository on github pages

.github/workflows/build-wasm.yaml

@@ -6,7 +6,6 @@ on:
       - ".vscode/**"
       - "bin/**"
     branches:
-      - main
       - release/*
       - hotfix/*
   pull_request:
@@ -28,6 +27,9 @@ jobs:
     runs-on: ubuntu-latest
     container: ghcr.io/r-wasm/webr:main
     steps:
+      # https://github.com/actions/checkout
       - uses: actions/checkout@v3
+
+      # https://github.com/r-wasm/actions
       - name: Build wasm packages
         uses: r-wasm/actions/build-wasm-packages@v1

.github/workflows/deploy-wasm.yaml

@@ -0,0 +1,50 @@
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+name: Build WASM R package repository
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container: ghcr.io/r-wasm/webr:main
+    steps:
+      # https://github.com/actions/checkout
+      - uses: actions/checkout@v3
+
+      # https://github.com/r-wasm/actions
+      - name: Build wasm packages
+        uses: r-wasm/actions/build-wasm-packages@v1
+        with:
+          strip: c("demo", "doc", "examples", "help", "html", "include", "tests", "vignette")
+
+  deploy:
+    name: Deploy to GitHub pages
+    needs: build
+    runs-on: ubuntu-latest
+    permissions:
+      pages: write
+      id-token: write
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      # https://github.com/actions/checkout
+      - uses: actions/checkout@v3
+
+      # https://github.com/r-wasm/actions
+      - name: Download wasm artifacts
+        uses: r-wasm/actions/download-wasm-artifacts@v1
+        with:
+          repo-path: _site
+          image-path: _site
+
+      # https://github.com/actions/upload-pages-artifact
+      - name: Upload Pages artifact
+        uses: actions/upload-pages-artifact@v2
+
+      # https://github.com/actions/deploy-pages
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2