DEVOPS-780 feat: add GitHub Actions workflow for deploying documentation to GitHub Pages (#15)

* DEVOPS-780 feat: add GitHub Actions workflow for deploying documentation to GitHub Pages

* feat: add pull request trigger for documentation deployment workflow

* Revert "feat: add pull request trigger for documentation deployment workflow"

This reverts commit 656fa48.

Author: dipakparmar

.github/workflows/docs.yml

@@ -0,0 +1,68 @@
+name: Deploy Docs
+
+on:
+    push:
+        branches:
+            - main
+        paths:
+            - "docs/**"
+            - "cumulusci/**"
+            - ".github/workflows/docs.yml"
+    workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+    contents: read
+    pages: write
+    id-token: write
+
+# Allow only one concurrent deployment
+concurrency:
+    group: pages
+    cancel-in-progress: true
+
+jobs:
+    build:
+        name: Build Docs
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+              with:
+                  fetch-depth: 0
+
+            - name: Set up Python 3.11
+              uses: actions/setup-python@v4
+              with:
+                  python-version: "3.11"
+
+            - name: Set up uv
+              uses: SFDO-Tooling/setup-uv@main
+              with:
+                  version: "0.8.4"
+                  enable-cache: true
+
+            - name: Install dependencies
+              run: uv sync --group docs
+
+            - name: Build Docs
+              run: |
+                  cd docs
+                  uv run sphinx-build -b html . ./_build/html
+
+            - name: Upload artifact
+              uses: actions/upload-pages-artifact@v4.0.0
+              with:
+                  path: docs/_build/html
+
+    deploy:
+        name: Deploy to GitHub Pages
+        needs: build
+        runs-on: ubuntu-latest
+        environment:
+            name: github-pages
+            url: ${{ steps.deployment.outputs.page_url }}
+        steps:
+            - name: Deploy to GitHub Pages
+              id: deployment
+              uses: actions/deploy-pages@v4