Added GH Pages build automation

.github/workflows/build-github-pages.yml

@@ -0,0 +1,48 @@
+name: Build GitHub Pages
+
+defaults:
+  run:
+    shell: bash
+    working-directory: ./docs
+
+on:
+  push:
+    branches:
+      - 'main'
+    paths:
+      - 'docs/**'
+  workflow_dispatch:
+
+
+jobs:
+  deploy:
+    name: Build and Deploy to GitHub Pages
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+        working-directory: ./docs
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 18
+          cache: yarn
+          cache-dependency-path: docs/yarn.lock
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+      - name: Build website
+        run: yarn build
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          # Build output to publish to the `gh-pages` branch:
+          publish_dir: ./docs/build
+          # The following lines assign commit authorship to the official
+          # GH-Actions bot for deploys to `gh-pages` branch:
+          # https://github.com/actions/checkout/issues/13#issuecomment-724415212
+          # The GH actions bot is used by default if you didn't specify the two fields.
+          # You can swap them out with your own user credentials.
+          user_name: github-actions[bot]
+          user_email: 41898282+github-actions[bot]@users.noreply.github.com