chore: 🔧 try to separate the action from the vitest plugin

Author: cif

.npmignore

@@ -33,7 +33,6 @@ Thumbs.db
 # Test files in dist
 dist/*.test.* 
 
-# GitHub Action files (keep these)
+# GitHub Action files (keep these in repo for GitHub Actions)
 # action.yml
-# dist/action.js
-# dist/action.d.ts 
+# dist-action/index.js 

dist/action.js renamed to action.js

@@ -29,4 +29,4 @@ inputs:
 
 runs:
   using: "node20"
-  main: "dist/index.js"
+  main: "action.js"