feat(types): add TimerOptions interface for timer configuration

src/types/mod.ts

@@ -0,0 +1 @@
+export type { TimerOptions } from './options.ts';

src/types/options.ts

@@ -0,0 +1,12 @@
+export interface TimerOptions {
+    name?: string;
+    exec: string;
+    calendar: string;
+    description?: string;
+    user?: boolean;
+    output?: string;
+    after?: string[];
+    environment?: string[];
+    logfile?: string;
+    dryRun?: boolean;
+}