feat: add GitHub Action to check for unused files, exports and dependencies and cleanup

.github/workflows/pull-request.yml

@@ -68,7 +68,10 @@ jobs:
           echo "Error: Source and Target Branches are the same. Please ensure they are different."
           echo "Error: Close this PR and try again."                    
           exit 1
-
+
+      - name: Check for unused files, exports and dependencies
+        run: npx knip
+
   Check-Sensitive-Files:
     if: ${{ github.actor != 'dependabot[bot]' }}
     name: Checks if sensitive files have been changed without authorization

knip.json

@@ -0,0 +1,5 @@
+{
+  "$schema": "https://unpkg.com/knip@5/schema.json",
+  "project": ["src/**/*.{ts,tsx}", "docs/**/*.{md,mdx}"],
+  "ignoreDependencies": ["docusaurus", "@docusaurus/plugin-content-docs"]
+}

package.json

@@ -49,6 +49,7 @@
     "eslint-plugin-react": "^7.37.5",
     "eslint-plugin-tsdoc": "^0.5.0",
     "husky": "^9.1.7",
+    "knip": "^5.71.0",
     "lint-staged": "^16.2.7",
     "typescript": "~5.9.3"
   },