chore: add knip configuration and update linting scripts in package.json

Author: firatciftci

knip.config.ts

@@ -0,0 +1,7 @@
+import type { KnipConfig } from "knip";
+
+const config: KnipConfig = {
+  ignoreIssues: { ".github/**/*.yml": ["binaries"] },
+};
+
+export default config;

package.json

@@ -47,8 +47,8 @@
   "scripts": {
     "dev": "tsdown src/index.ts --watch",
     "build": "tsdown",
-    "lint": "eslint .",
-    "lint:fix": "eslint . --fix",
+    "lint": "knip && eslint .",
+    "lint:fix": "knip fix && eslint . --fix",
     "format": "prettier --check .",
     "format:fix": "prettier --write --list-different .",
     "check-types": "tsc --noEmit",
@@ -66,6 +66,7 @@
     "@types/node": "^24.12.4",
     "bumpp": "^11.1.0",
     "eslint": "^10.4.0",
+    "knip": "^6.14.2",
     "prettier": "^3.8.3",
     "tsdown": "^0.22.0",
     "typescript": "^6.0.3",