Create Ivy distribution

[bjornharvold]

From Angular 13.x:

Processing legacy "View Engine" libraries:

• angular2-multiselect-dropdown [es2015/esm2015] (https://github.com/CuppaLabs/angular2-multiselect-dropdown)
• angular2-multiselect-dropdown [main/umd] (https://github.com/CuppaLabs/angular2-multiselect-dropdown)
  Encourage the library authors to publish an Ivy distribution.

[sysmat]

any progress?

[peer-kkang]

any progress on this? thanks for all your hard work @CuppaLabs

[tommai78101]

No update plans thus far. See this pull request for more info.

#645