update dependencies, add songs to youtube playlist

src/lib/mastodon/response.ts

@@ -16,6 +16,17 @@ export interface Post {
   songs?: SongInfo[];
 }
 
+export interface OauthResponse {
+  access_token: string;
+  expires_in: number;
+  expires?: Date;
+  refresh_token?: string;
+  refresh_token_expires_in?: number;
+  scope: string;
+  token_type: string;
+  error?: any;
+}
+
 export interface PreviewCard {
   url: string;
   title: string;