Initialize solution
[DB] Initialize database
[Document] Define pages and functions for back-end, there are user module
[DB] Add role module
Initialize solution, add SPA core for back-end website
add theme metronic
covert to metronic themes
câp nhật layout
Add user repository
Merge branch 'dev' of https://github.com/Ucantseeme/eCCore into dev

Conflicts:
	Source/eCC/Presentation Layer/eCC.Back/eCC.Back.csproj
remove some field unnessary