✏️ Add UV Cache github action

.github/cache.yml

@@ -0,0 +1,74 @@
+name: Test UV Cache Action
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test-uv-cache:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        python-version:
+          - "3.8"
+          - "3.9"
+          - "3.10"
+          - "3.11"
+          - "3.12"
+        os:
+          - macos-latest
+          - ubuntu-latest
+          - windows-latest
+      fail-fast: true
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Setup UV
+        uses: ./
+        with:
+          uv-version: 'latest'
+          uv-cache-dir: ~/.uv-cache
+
+      - name: Test UV installation
+        run: uv --version
+
+      - name: Create requirements file
+        run: |
+          echo "requests==2.26.0" > requirements.txt
+          echo "pandas==1.3.3" >> requirements.txt
+
+      - name: Install dependencies with UV
+        run: |
+          uv pip install -r requirements.txt
+
+      - name: Verify installations
+        run: |
+          python -c "import requests; import pandas; print('Imports successful')"
+
+      - name: Clear local UV cache
+        run: rm -rf ~/.uv-cache
+
+      - name: Setup UV again (should use cache)
+        uses: ./
+        with:
+          uv-version: 'latest'
+          uv-cache-dir: ~/.uv-cache
+
+      - name: Verify cache restored
+        run: |
+          uv pip list | grep -E "requests|pandas" || (echo "Cache restore failed" && exit 1)
+
+      - name: Install new package
+        run: uv pip install numpy
+
+      - name: Verify new installation
+        run: python -c "import numpy; print('Numpy import successful')"