from simple_admin dashborad build front source~
- run yarn build
- rename simple_admin_templates/index.html to simple_admin_templates/simple_admin.html
- go get -u github.com/go-bindata/go-bindata/v3/go-bindata (options)
- run go-bindata -o bindata.go -pkg simple_admin -prefix "simple_admin_templates" -fs ./simple_admin_templates/...
- copy bindata.go to simple_admin folders