feat: add ts support

Author: wxnet2013

index.d.ts

@@ -0,0 +1,16 @@
+import { Observable } from 'rxjs';
+
+export interface Config {
+  name?: string,
+}
+
+export interface API {
+  onModel$: Observable<any>,
+  onEpicStart$: Observable<any>,
+  onEpicEnd$: Observable<any>,
+  onEpicCancel$: Observable<any>,
+}
+
+export type Plugin = (api: API) => void;
+
+export default function loading(opts?: Config): Plugin;