Added github workflows

Signed-off-by: Pagadarai <[email protected]>

.github/workflows/doc.yml

@@ -0,0 +1,30 @@
+name: Documentation
+
+on: [push, pull_request]
+
+jobs:
+  BuildDocs:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.7
+
+      - name: Install dependencies
+        run: |
+          sudo apt install -y python3-numpy
+          pip install -r requirements_doc.txt
+      - name: Check doc build
+        run: |
+          make -C CI/gen_doc doc
+
+      - name: Publish master doc
+        if: github.ref == 'refs/heads/master'
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./doc
+          destination_dir: master

requirements_doc.txt

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+numpy
+mkdocs
+mkdocs-material
+mkdocs-awesome-pages-plugin
+mkdocs-mermaid2-plugin
+mkdocs-plugin-inline-svg
+jinja2