Add deploy and run tests workflows.

.github/workflows/deploy.yaml

@@ -0,0 +1,20 @@
+name: Deploy library
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+jobs:
+  build-and-release-package:
+    if: github.repository == 'ABI-Software/segmentationstitcher'
+    runs-on: ubuntu-20.04
+    name: Release package
+    permissions:
+      contents: write
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
+    steps:
+      - name: Release Python package
+        uses: hsorby/release-python-package-action@v1
+        with:
+          pypi-package-name: segmentationstitcher

.github/workflows/run_tests.yaml

@@ -0,0 +1,28 @@
+name: Test library
+
+on:
+  pull_request:
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-22.04
+    name: Run tests
+    steps:
+      - name: Clone source
+        uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.11
+      - name: Install dependencies
+        run: |
+          sudo apt install libopengl0 libglu1-mesa -y
+      - name: Install library
+        shell: bash
+        run: |
+          #pip install https://github.com/cmlibs/zinc/releases/download/v4.2.0/cmlibs.zinc-4.2.0-cp311-cp311-linux_x86_64.whl
+          pip install .
+      - name: Run tests
+        shell: bash
+        run: |
+          python -m unittest discover -s tests/