chore: enhance ESLint and Prettier configurations for consistent code style and add linting scripts

Author: wiirhan

.eslintrc.json

@@ -1,21 +1,33 @@
 {
-  "extends": [
-    "next/core-web-vitals" // Use next/core-web-vitals for best Next.js defaults
-  ],
+  "extends": ["next/core-web-vitals"],
   "rules": {
     "unused-imports/no-unused-imports": "error",
-    "no-empty-function": "off", // Only if absolutely necessary
+    "no-empty-function": "error",
     "object-shorthand": ["error", "always"],
     "quotes": ["error", "single"],
-    "no-unused-vars": "warn", // Use "warn" instead of turning off completely
+    "no-unused-vars": "error",
+    "semi": ["warn", "always"],
+    "indent": ["error", 2],
+    "comma-dangle": ["warn", "always-multiline"],
+    "prefer-const": "error",
+    "arrow-parens": ["error", "as-needed"],
+    "eol-last": ["error", "always"],
     "react/display-name": "off",
-        "react/no-unknown-property": "off",
-        "react/prop-types": "off"
+    "react/no-unknown-property": "off",
+    "react/prop-types": "off",
+    "jsx-quotes": ["error", "prefer-double"],
+    "react/self-closing-comp": [
+      "error",
+      {
+        "component": true,
+        "html": true
+      }
+    ]
   },
   "plugins": ["unused-imports"],
   "settings": {
     "react": {
-      "version": "detect" // Automatically detect React version
+      "version": "detect"
     }
   }
-}
+}

.prettierrc.json

@@ -0,0 +1,10 @@
+{
+  "singleQuote": true,
+  "trailingComma": "all",
+  "semi": true,
+  "tabWidth": 2,
+  "printWidth": 120,
+  "bracketSpacing": true,
+  "arrowParens": "avoid",
+  "endOfLine": "lf"
+}

package.json

@@ -15,6 +15,8 @@
     "analyze:browser": "cross-env BUNDLE_ANALYZE=browser next build",
     "license": "node .knosys/scripts license add",
     "doc": "node .knosys/scripts site",
+    "lint": "eslint . --ext .js,.jsx,.ts,.tsx",
+    "lint:fix": "eslint . --ext .js,.jsx,.ts,.tsx --fix",
     "prepare": "husky"
   },
   "dependencies": {