feat(TODO): add fix method for REC007

Signed-off-by: ktro2828 <kotaro.uetake@tier4.jp>

Author: ktro2828

t4_devkit/sanity/record/rec007.py

@@ -57,3 +57,7 @@ def check(self, context: SanityContext) -> list[Reason] | None:
             return [Reason("Categories must have unique 'index' values.")]
 
         return None
+
+    def fix(self, context: SanityContext) -> bool:
+        # TODO(ktro2828): Implement fix logic here
+        return super().fix(context)