Initial check-in after refactoring to use Hugo site generator with ReLearn template. HTTP Status Codes page not done--nor adwords added.

themes/relearn/.github/actions/deploy_site/action.yaml

@@ -0,0 +1,17 @@
+name: Deploy site
+description: Deploys a built site on GitHub-Pages
+inputs:
+  github_token:
+    description: Secret GitHub token
+    required: true
+runs:
+  using: composite
+  steps:
+    - name: Deploy site
+      uses: peaceiris/actions-gh-pages@v3
+      with:
+        github_token: ${{ env.GITHUB_TOKEN }}
+        publish_dir: ${{ env.GITHUB_WORKSPACE }}/../public
+      env:
+        GITHUB_TOKEN: ${{ inputs.github_token }}
+        GITHUB_WORKSPACE: ${{ github.workspace }}