Adder Global Loading spiner for api calls

src/app/http-interceptors/index.ts

@@ -1,7 +1,9 @@
 import { HTTP_INTERCEPTORS } from "@angular/common/http";
 
 import { AuthInterceptor } from "./auth.interceptor";
+import { LoadingInterceptor } from "./loading.interceptor";
 
 export const httpInterceptorProviders = [
-    {provide: HTTP_INTERCEPTORS, useClass: AuthInterceptor, multi: true}
+    {provide: HTTP_INTERCEPTORS, useClass: AuthInterceptor, multi: true},
+    {provide: HTTP_INTERCEPTORS, useClass: LoadingInterceptor, multi: true}
 ]