Create CLI working scaffolding

src/runner/index.ts

@@ -0,0 +1,15 @@
+import { loadTasks } from "../loader";
+import { dumpDatabase } from "../database/serializer";
+import { loadDatabase } from "../database/deserializer";
+import { remind } from "../backend";
+import { Config } from "../types/config";
+
+export async function scan(config: Config) {
+  const tasks = await loadTasks(config.sources, config.query);
+  dumpDatabase(config.databaseFile, tasks, config.mapper);
+}
+
+export async function notify(config: Config) {
+  const db = loadDatabase(config.databaseFile);
+  remind(config, db);
+}