Add pypi publishing workflows

.github/workflows/pypi_publish.yml

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+name: Publish Kit4DL package to PyPI
+
+on: 
+  release:
+    types: [published]  
+  workflow_dispatch:
+
+jobs:
+  build-and-publish:
+    name: Build Kit4DL and publish to PyPI
+    strategy:
+      matrix:
+        python-version: ["3.10"]
+        os: [ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+    environment: release
+    permissions:
+      id-token: write        
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install build tool
+        run: python3 -m pip install build --user
+      - name: Build wheels
+        run: python -m build --sdist --wheel --outdir=dist/ .
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1

.github/workflows/testpypi_publish.yml

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+name: Publish geokube package to TestPyPI
+
+on: 
+  release:
+    types: [prereleased]  
+  workflow_dispatch:
+
+jobs:
+  build-and-publish:
+    name: Build geokube and publish to TestPyPI
+    strategy:
+      matrix:
+        python-version: ["3.10"]
+        os: [ubuntu-latest]
+#    environment:
+#        name: testpypi
+#        url: https://test.pypi.org/p/geokube
+    permissions:
+        id-token: write
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install build tool
+        run: python3 -m pip install build --user
+      - name: Build wheels
+        run: python -m build --sdist --wheel --outdir=dist/ .
+      - name: Publish package distributions to TestPyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          repository-url: https://test.pypi.org/legacy/
+    pypi-publish:
+      name: Upload release to PyPI
+      runs-on: ubuntu-latest
+      environment:
+        name: testpypi
+        url: https://test.pypi.org/p/geokube
+      permissions:
+        id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
+      steps:
+      # retrieve your distributions here