Refactor: begin reorganizing services dir.

- Renamed files and directories to reflect the new structure
- Moved comment-related services to the 'comments' directory
- Moved image-related services to the 'images' directory
- Moved like-related services to the 'likes' directory
- Moved post-related services to the 'posts' directory
- Moved user-related services to the 'users' directory

src/services/comments/BreweryComment/getBreweryCommentById.ts

@@ -0,0 +1,9 @@
+import DBClient from '@/prisma/DBClient';
+
+const getBreweryCommentById = async (id: string) => {
+  return DBClient.instance.breweryComment.findUnique({
+    where: { id },
+  });
+};
+
+export default getBreweryCommentById;