fix: add mdx support to ts

Author: inkjesse

src/types/mdx.d.ts

@@ -0,0 +1,6 @@
+declare module '*.mdx' {
+  import type { ComponentType } from 'react'
+
+  const component: ComponentType
+  export default component
+}

tsconfig.json

@@ -32,6 +32,7 @@
   "include": [
     "next-env.d.ts",
     "global-env.d.ts",
+    "src/types/**/*.ts",
     "**/*.ts",
     "**/*.tsx",
     ".next/types/**/*.ts"