feat: copy page to different space (#1118)

* Add copy page to space endpoint
* copy storage function
* copy function
* feat: copy attachments too
* Copy page - WIP
* fix type
* sync
* cleanup

apps/server/src/integrations/storage/interfaces/storage-driver.interface.ts

@@ -1,6 +1,8 @@
 export interface StorageDriver {
   upload(filePath: string, file: Buffer): Promise<void>;
 
+  copy(fromFilePath: string, toFilePath: string): Promise<void>;
+
   read(filePath: string): Promise<Buffer>;
 
   exists(filePath: string): Promise<boolean>;