fix: disable explicit-function-return-type in markdown code

Author: antfu

src/configs/markdown.ts

@@ -73,6 +73,7 @@ export async function markdown(
 
         'style/eol-last': 'off',
         'ts/consistent-type-imports': 'off',
+        'ts/explicit-function-return-type': 'off',
         'ts/no-namespace': 'off',
         'ts/no-redeclare': 'off',
         'ts/no-require-imports': 'off',