ENYO-432: Add sample Input with initial value.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1790 from enyojs/ENYO-432-aarontam-1

ENYO-432: Add sample Input with initial value.

Reviewed-By: Ryan Duffy (ryan.duffy@lge.com)
Integrated-By: Cole Davis (cole.davis@lge.com)