feat(*): one task editor, vim navigation and undo

src/settings.ts

@@ -17,6 +17,9 @@ export interface BeaverCalendarSettings {
   includeArchive: boolean;
   railCollapsed: boolean;
   undatedCollapsed: boolean;
+  /** The lane the last task was written into, so the composer opens there. */
+  lastLanePath: string;
+  lastLaneProject: string;
 }
 
 export const DEFAULT_SETTINGS: BeaverCalendarSettings = {
@@ -30,6 +33,8 @@ export const DEFAULT_SETTINGS: BeaverCalendarSettings = {
   includeArchive: false,
   railCollapsed: false,
   undatedCollapsed: false,
+  lastLanePath: "",
+  lastLaneProject: "",
 };
 
 export function normalizeFolder(value: string): string {