Merge branch 'development'
compound migration
add compound command clean
debug mail fetch
debug read + attachment
mail read debug
debug read, backend
add blank spaces
make style more cozy like
add fonts
improve edit box styling
do not allow to create a box with same login
make style more cozy like
add fonts
improve edit box styling
improve box edition ui
improve design
improve mail styling
improve mail style: background + attachment box
debuglayout