Open selector in readme. Caused issue while implementation. Needs to be closed in order to work properly.

[SandeepBalachandran]

---

Name: Bug report

Describe the bug
The readme contains incomplete selector

Current behavior

<td-ngx-text-diff
  [left]="left"
  [right]="right"
  (compareResults)="onCompareResults($event)"
>

Expected behavior

<td-ngx-text-diff
  [left]="left"
  [right]="right"
  (compareResults)="onCompareResults($event)"
></td-ngx-text-diff>

Additional context

• Issue noted in Angular 10.
• Issue seem to be fixed once the selector closed.
• Let me know the suggestions to improve bug reporting if i am missing something.