feat: add view teller component (#554)

Fixes: #535

src/app/organization/organization.service.ts

@@ -107,6 +107,22 @@ export class OrganizationService {
     return this.http.get('/tellers');
   }
 
+  /**
+   * @param {string} tellerId Teller ID of teller.
+   * @returns {Observable<any>} Teller.
+   */
+  getTeller(tellerId: string): Observable<any> {
+    return this.http.get(`/tellers/${tellerId}`);
+  }
+
+  /**
+   * @param {string} tellerId Teller ID of teller to be deleted.
+   * @returns {Observable<any>}
+   */
+  deleteTeller(tellerId: string): Observable<any> {
+    return this.http.delete(`/tellers/${tellerId}`);
+  }
+
   /**
    * @returns {Observable<any>} Payment Types data
    */