add /application/config/first-time
delete old config file
make git ignore config
rewrite README
modify readme a bit
migrate the user guide into .md format
repair tutorial.md
start documentation migration
* ignore
Update tutorial.md

adding point
fix blog
try to add "picture"
add another pictures
try to fix installation guide
completing installation guide
completing installation guide
change respository link to development branch for contribution
fix links
add user guide contribution guide
add pictures on navigation user guide