Create deleteNote method in client files

Added deleteNote method in note.service.ts and owner-doorboard.component.ts. Closes issue #5

client/src/app/notes/note.service.ts

@@ -1,14 +1,14 @@
 import { HttpClient, HttpParams } from '@angular/common/http';
 import { Injectable } from '@angular/core';
-import { Observable } from 'rxjs';
+import { Observable, ObservableInput } from 'rxjs';
 import { environment } from '../../environments/environment';
 import { Note } from './note';
-import { map } from 'rxjs/operators';
-
+import { map, catchError } from 'rxjs/operators';
 @Injectable()
 export class NoteService {
   readonly noteUrl: string = environment.API_URL + 'notes';
   readonly ownerUrl: string = environment.API_URL + 'owner';
+  handleError: (err: any, caught: Observable<void>) => ObservableInput<any>;
 
   constructor(private httpClient: HttpClient) {
   }
@@ -32,4 +32,8 @@ export class NoteService {
     return this.httpClient.post<{id: string}>
     (this.ownerUrl + '/' + id  + '/notes/new', newNote).pipe(map(res => res.id));
   }
+
+  deleteNote(id: string): Observable<void> {
+    return this.httpClient.delete<void>('${this.baseUrl}/${id}');
+  }
 }

client/src/app/owners/owner-doorboard.component.ts

@@ -43,4 +43,10 @@ export class OwnerDoorBoardComponent implements OnInit, OnDestroy {
     }
   }
 
+  deleteNote(){
+    this.noteService.deleteNote(this.id).subscribe(
+      () => console.log('Note with Id = ${this.id} deleted'),
+      (err) => console.log(err)
+    );
+  }
 }