ci: examples workflow added.

.github/workflows/examples.yml

@@ -0,0 +1,40 @@
+name: examples
+
+on:
+  push:
+    branches:
+      - master
+      - develop
+  pull_request:
+  schedule:
+    - cron: '0 4 1 * *'
+
+jobs:
+  examples:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: true
+      matrix:
+        os: [ubuntu-latest]
+        python-version: ["3.8", "3.10"]
+
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v2
+
+      - name: Setup python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install
+        run: |
+          sudo apt-get install dvipng texlive-latex-extra texlive-fonts-recommended cm-super
+          python -m pip install --upgrade pip
+          pip install wheel
+          pip install .
+          pip install pytest
+          pip install nbmake
+
+      - name: Run tests
+        run: pytest -vv --nbmake examples/*.ipynb