add blocker presets

frontend/src/lib/types.ts

@@ -166,6 +166,13 @@ export interface AppSettings {
     short_break_minutes: number;
     long_break_minutes: number;
     cycles_before_long_break: number;
+    presets: {
+      name: string;
+      work_minutes: number;
+      short_break_minutes: number;
+      long_break_minutes: number;
+      cycles_before_long_break: number;
+    }[];
     auto_start_breaks: boolean;
     auto_start_work: boolean;
     daily_goal_pomodoros: number;