Squashed 'sample-front-end/' changes from 601ffe4..552f9c4

552f9c4 feat: Centralize animation and timing constants
cc962c2 feat: Adjust sync animation gradient
e623426 feat: Add playlist sync functionality and animations

git-subtree-dir: sample-front-end
git-subtree-split: 552f9c471324793b85af14534e81d45d319036a2

types.ts

@@ -27,6 +27,13 @@ export enum SyncStrategy {
   MERGE_CLOUD = 'MERGE_CLOUD'
 }
 
+export enum SyncState {
+  IDLE = 'IDLE',
+  SYNCING = 'SYNCING',
+  SUCCESS = 'SUCCESS',
+  ERROR = 'ERROR'
+}
+
 export interface RegexReplacement {
   id: string;
   pattern: string;
@@ -62,4 +69,4 @@ export interface ApiResponse<T> {
   data: T;
   status: 'success' | 'error';
   message?: string;
-}
+}