Get thumbnail from app (#68)

* Renamed multipart filed name 'files' to 'assetData'. 
* Added an additional field name of 'thumbnailData' to multipart form.
* Implemented upload mechanism for thumbnail directly from the mobile client.
* Removed dead code
* Implemented a version checking mechanism.

server/src/modules/image-optimize/image-optimize.service.ts

@@ -7,33 +7,4 @@ import { AssetEntity } from '../../api-v1/asset/entities/asset.entity';
 @Injectable()
 export class AssetOptimizeService {
   constructor(@InjectQueue('optimize') private optimizeQueue: Queue) {}
-
-  public async resizeImage(savedAsset: AssetEntity) {
-    const job = await this.optimizeQueue.add(
-      'resize-image',
-      {
-        savedAsset,
-      },
-      { jobId: randomUUID() },
-    );
-
-    return {
-      jobId: job.id,
-    };
-  }
-
-  public async getVideoThumbnail(savedAsset: AssetEntity, filename: string) {
-    const job = await this.optimizeQueue.add(
-      'get-video-thumbnail',
-      {
-        savedAsset,
-        filename,
-      },
-      { jobId: randomUUID() },
-    );
-
-    return {
-      jobId: job.id,
-    };
-  }
 }