Use GitHub Action instead of a filter for CRLF normalization

.gitattributes

@@ -1,14 +1,13 @@
 # By default, auto detect text files and perform LF normalization
 * text=auto eol=lf
 
-# VBA extensions - Enforce CRLF using a filter
-  # To make sure the filter is active, run the command: git config include.path ../.gitconfig
-*.bas -text filter=crlf
-*.cls -text filter=crlf
-*.frm -text filter=crlf
+# VBA extensions - Prevent LF normalization
+*.bas -text diff
+*.cls -text diff
+*.frm -text diff
 
 # VBA extensions - Mark as binary
 *.frx binary
 
 # AutoHotKey
-*.ahk -text filter=crlf
+*.ahk -text diff

.github/workflows/enforce_crlf.yml

@@ -0,0 +1,22 @@
+name: Enforce-CRLF
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+permissions:
+  contents: write
+
+jobs:
+  enforce-crlf:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Enforce CRLF action
+      uses: DecimalTurn/Enforce-CRLF@08706ea4cc4a3de32d8b3c769686355a22d69e84 #v1.1.2
+      with:
+        extensions: .bas, .frm, .cls
+        do-checkout: true
+        do-push: true
+