GitHub Action to pip install cssbeautifier and jsbeautifier

These are broken by the the new version of `setuptools`...

https://setuptools.pypa.io/en/stable/history.html#v72-0-0
* pypa/setuptools#931
    * pypa/setuptools#4458

.github/workflows/pip_install.yml

@@ -0,0 +1,22 @@
+name: pip_install
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+jobs:
+  pip_install:
+    strategy:
+      fail-fast: false
+      matrix:
+        module:
+          - cssbeautifier
+          - jsbeautifier
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: 3.x
+    - run: pip install --upgrade pip
+    - run: pip install ${{ matrix.module }}