first commit
change to tankmac
delete assets from public
change gemfile
add tmproj to gitigore
add background to classroom
change score
chang user to people
change route
change article route
add path to category
change article route
change private_pub.yml
enter to add discussion
add discussion fast
add image to category
back up sql
add users list
change classrooms to classrooms/1
add strager to user list