fix(typings): add typings for use in cordova project without ionic

Add @hmscore/cordova-plugin-hms-push to tsconfig.json/types
or triple slash comment in source
/// <reference types="@hmscore/cordova-plugin-hms-push" />

cordova-plugin-hms-push/types/index.d.ts

@@ -0,0 +1,11 @@
+import * as HmsPushOriginal from './HmsPush';
+import * as HmsLocalNotificationOriginal from './HmsLocalNotification';
+import * as HmsPushEventOriginal from './HmsPushEvent';
+import * as HmsPushProfileOriginal from './HmsPushProfile';
+
+declare global {
+    const HmsPush: typeof HmsPushOriginal;
+    const HmsLocalNotification: typeof HmsLocalNotificationOriginal;
+    const HmsPushEvent: typeof HmsPushEventOriginal;
+    const HmsPushProfile: typeof HmsPushProfileOriginal;
+}