add github actions tests for windows, mac and arm linux

.github/workflows/tests.yml

@@ -3,16 +3,40 @@ on: [pull_request]
 
 jobs:
   tests:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os.runs-on }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: 
+          - runs-on: windows-latest
+            arch: win-x64
+          - runs-on: windows-11-arm
+            arch: win-arm64
+          - runs-on: macos-15-intel
+            arch: osx-x64
+          - runs-on: macos-15
+            arch: osx-arm64
+          - runs-on: ubuntu-latest
+            arch: linux-x64
+          - runs-on: ubuntu-24.04-arm
+            arch: linux-arm64
     steps:
       - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
         with:
           python-version: |
-            3.10
             3.11
             3.12
+      - name: Show default python version
+        run: python --version
+      - name: Show OS encoding
+        run: "python -c \"import locale;print('System encoding: ', locale.getpreferredencoding())\""
+      - name: Install pipx
+        run: python -m pip install --user pipx
       - name: Install Hatch
-        run: pipx install hatch
+        run: python -m pipx install hatch
+      - name: Install markitdown in editable mode
+        run: python -m pip install -e .[all]
+        working-directory: packages/markitdown
       - name: Run tests
         run: cd packages/markitdown; hatch test