Added GH Pages deployment

.github/workflows/gh_pages.yml

@@ -0,0 +1,48 @@
+name: Deploy documentation to Pages
+
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - 'docs/**'
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./docs
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v3
+
+      - name: Compile documentation
+        run: |
+          pip install -r requirements.txt
+          make clean
+          sphinx-build . _build
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v2
+        with:
+          path: './_build'
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2