Update the edit courseware mockup
Add more steps to course editing
Add step 3 to the edit course mockup
update content of detail-module.html

The content of detail-module.html is updated as well as related module
list
update proper content of index, detail-module, detail-collection and images
Merge branch 'displaymodule' of https://github.com/voer-platform/vp.web

# By Lương Triệu
# Via Lương Triệu
* 'displaymodule' of https://github.com/voer-platform/vp.web:
  add 2 modules: voer_collection_ui & voer_module_ui
Update module VOER API  and VOER Content