Kendo-angular: The 'color' property should be a string type in the Range interface used in Gauges

[vbakavets]

Describe the bug
The documentation says that color property accepts valid CSS color strings, however, the actual type of the property is number:

Expected behavior
The color property should be string type instead of number in the Range interface used in Gauges.
Also, the type should be fixed in the documentation.

[mbechev]

Here is an example where the color property throws an error when a string is passed:
https://stackblitz.com/edit/angular-8xj57v?file=app/app.component.ts

[stnikolova]

Fix available in latest dev version.

[stnikolova]

Released in v3.0.3.