add form to edit employee

Reviewed-on: #23
Reviewed-by: Get in my car i have candy <huydw@proton.me>

src/app/employee/create/create.component.html

@@ -33,7 +33,7 @@
 
       <mat-form-field class="!w-full">
         <mat-label>Phone</mat-label>
-        <input matInput formControlName="phone" required type="number">
+        <input matInput formControlName="phone" required>
       </mat-form-field>
 
       <mat-dialog-actions align="end">