message: chore(Pipe): Add new abbreviation pipe to demo page
diff: +<ts-card tsVerticalSpacing>
  +
  + <h2>AbbreviateNumber</h2>
  +
  +<pre tsVerticalSpacing>
  +Value:
  +12345
  +</pre>
  +
  + <div>
  + Abbreviate with 2 decimal: <b>{{ 12345 | tsAbbreviateNumber:2 }}</b>
  + <br>
  + Abbreviate with 1 decimal as default: <b>{{ 12345 | tsAbbreviateNumber }}</b>
  + </div>
  +
  +</ts-card>
  +
  <ts-card tsVerticalSpacing>
  <h2>Date</h2>
  