Add actions script to build dataset page

scripts/actions/single-dataset-ssg.yml

@@ -0,0 +1,26 @@
+name: github pages
+
+on:
+  push:
+    branches:
+      - master
+      - main
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup Node
+      uses: actions/setup-node@v2.1.2
+      with:
+        node-version: '12.x'
+
+    - name: Build datasets
+      env:
+        PORTAL_REPO_NAME: ${{ secrets.PORTAL_REPO_NAME }}
+      run: |
+        curl https://raw.githubusercontent.com/datopian/portal.js/main/scripts/single-dataset-no-commit.sh > portal.sh 
+        git config --local user.email "$(git log --format='%ae' HEAD^!)"
+        git config --local user.name "$(git log --format='%an' HEAD^!)"
+        source ./portal.sh