fix: remove postcss.config.mjs from TypeScript include paths

Author: nelsonlaidev

tsconfig.json

@@ -10,12 +10,5 @@
   },
   "extends": "@nelsonlaidev/typescript-config/nextjs.json",
   "exclude": ["node_modules"],
-  "include": [
-    "**/*.ts",
-    "**/*.tsx",
-    "next-env.d.ts",
-    ".next/types/**/*.ts",
-    ".next/dev/types/**/*.ts",
-    "postcss.config.mjs"
-  ]
+  "include": ["**/*.ts", "**/*.tsx", "next-env.d.ts", ".next/types/**/*.ts", ".next/dev/types/**/*.ts"]
 }