routie dev init since i didn't adhere to any proper guidance up until now

frontend/node_modules/@parcel/watcher/index.js.flow

@@ -0,0 +1,48 @@
+// @flow
+declare type FilePath = string;
+declare type GlobPattern = string;
+
+export type BackendType = 
+  | 'fs-events'
+  | 'watchman'
+  | 'inotify'
+  | 'windows'
+  | 'brute-force';
+export type EventType = 'create' | 'update' | 'delete';
+export interface Options {
+  ignore?: Array<FilePath | GlobPattern>,
+  backend?: BackendType
+}
+export type SubscribeCallback = (
+  err: ?Error,
+  events: Array<Event>
+) => mixed;
+export interface AsyncSubscription {
+  unsubscribe(): Promise<void>
+}
+export interface Event {
+  path: FilePath,
+  type: EventType
+}
+declare module.exports: {
+  getEventsSince(
+    dir: FilePath,
+    snapshot: FilePath,
+    opts?: Options
+  ): Promise<Array<Event>>,
+  subscribe(
+    dir: FilePath,
+    fn: SubscribeCallback,
+    opts?: Options
+  ): Promise<AsyncSubscription>,
+  unsubscribe(
+    dir: FilePath,
+    fn: SubscribeCallback,
+    opts?: Options
+  ): Promise<void>,
+  writeSnapshot(
+    dir: FilePath,
+    snapshot: FilePath,
+    opts?: Options
+  ): Promise<FilePath>
+}