found blocks services and tables

src/app/services/app.service.ts

@@ -1,5 +1,6 @@
 import { HttpClient } from '@angular/common/http';
 import { Injectable } from '@angular/core';
+import { Observable } from 'rxjs';
 
 import { environment } from '../../environments/environment';
 
@@ -13,6 +14,6 @@ export class AppService {
     ) { }
 
     public getInfo() {
-        return this.httpClient.get(`${environment.API_URL}/api/info`);
+        return this.httpClient.get(`${environment.API_URL}/api/info`) as Observable<any>;
     }
 }