copy common ts code over from browser repo

src/models/request/passwordHintRequest.ts

@@ -0,0 +1,10 @@
+class PasswordHintRequest {
+    email: string;
+
+    constructor(email: string) {
+        this.email = email;
+    }
+}
+
+export { PasswordHintRequest };
+(window as any).PasswordHintRequest = PasswordHintRequest;