feat: playlist loading

web/src/ts/userPlaylists/index.ts

@@ -0,0 +1,19 @@
+import {
+    editingPlaylists,
+    playlists
+} from './state';
+
+export const addPlaylist = ( name: string ) => {
+    playlists.value.push( {
+        'name': name,
+        'songs': []
+    } );
+    editingPlaylists.value.push( false );
+};
+
+export const removePlaylist = ( idx: number ) => {
+    if ( confirm( 'Do you really want to delete this playlist?' ) ) {
+        playlists.value.splice( idx, 1 );
+        editingPlaylists.value.splice( idx, 1 );
+    }
+};