Add a (responsive) navbar
Add a (responsive) navbar

Change-Id: Ib7adcc5195461b1bedcc35b2810ca97f2f8e84f6
Reviewed-on: https://gerrit.causes.com/25842
Reviewed-by: Greg Hurrell <79e2475f81a6317276bf7cbb3958b20d289b78df@causes.com>
Tested-by: Greg Hurrell <79e2475f81a6317276bf7cbb3958b20d289b78df@causes.com>

causes/twigg,causes/twigg