feat(drive): start implementation of drive

- add storage.drives
    - prepare migration phase
    - add created_by and updated_by on storage.folders

src/domain/repositories/folder_repository.rs

@@ -98,9 +98,17 @@ pub trait FolderRepository: Send + Sync + 'static {
     /// Permanently deletes a folder (used by the trash)
     async fn delete_folder_permanently(&self, folder_id: &str) -> Result<(), DomainError>;
 
-    /// Creates a root-level home folder for a user.
-    /// This is used during user registration to create the user's personal folder.
-    async fn create_home_folder(&self, user_id: Uuid, name: String) -> Result<Folder, DomainError>;
+    /// Creates a root-level home folder for a user inside their personal drive.
+    /// Called during user registration / first login to maintain the wrapper-
+    /// folder convention through the D0 dual-write window (the wrapper itself
+    /// retires in a follow-up migration; for now it stays as a real folder
+    /// row stamped with `drive_id`).
+    async fn create_home_folder(
+        &self,
+        user_id: Uuid,
+        drive_id: Uuid,
+        name: String,
+    ) -> Result<Folder, DomainError>;
 
     /// Lists every folder in a subtree rooted at `folder_id` (inclusive).
     ///