test runner, add windows tests

.github/workflows/main.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         python-version: [3.8, 3.9, 3.10.x, 3.11, 3.12]
-        os: [ubuntu-latest]
+        os: [ubuntu-latest, windows-latest]
 
     steps:
     - uses: actions/checkout@v2
@@ -18,10 +18,18 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install system dependencies (Linux)
+      if: runner.os == 'Linux'
       run: |
         sudo apt update
         sudo apt install tesseract-ocr poppler-utils imagemagick ghostscript
         pip install -U ocrmypdf
+
+    - name: Install system dependencies (Windows)
+      if: runner.os == 'Windows'
+      run: |
+        choco install tesseract poppler imagemagick ghostscript
+        pip install -U ocrmypdf
+
     - name: Install testing dependencies
       run: |
         pip install -U wheel pip