add sticky footer plus nav
Merge branch 'master' of https://github.com/tianboyand/project-tkppl

# By Irwan (1) and wilson chairil (1)
# Via wilson chairil
* 'master' of https://github.com/tianboyand/project-tkppl:
  menambah slide 5. clone repository
  Cara Membuat Repository Baru di GitHub

Conflicts:
	src/index.jade