feat: chunk uploads (#76)

* add first concept

* finished first concept

* allow 3 uploads at same time

* retry if chunk failed

* updated clean temporary files job

* fix throttling for chunk uploads

* update tests

* remove multer

* migrate from `MAX_FILE_SIZE` to `MAX_SHARE_SIZE`

* improve error handling if file failed to upload

* fix promise limit

* improve file progress

frontend/src/types/File.type.ts

@@ -1 +1,3 @@
 export type FileUpload = File & { uploadingProgress: number };
+
+export type FileUploadResponse = {id: string, name: string}