fix(build): Ensure theme files are copied to dist when watching
fix(build): Ensure theme files are copied to dist when watching

To let the project be linked in development.

Change-Id: I40c370481994b2966f879b2d2ddb1f7d9534a21e

HumanBrainProject/hbp-collaboratory-theme,HumanBrainProject/hbp-collaboratory-theme,HumanBrainProject/hbp-collaboratory-theme,HumanBrainProject/hbp-collaboratory-theme