majeur update for admin, setting, profile, add friend

Register.php

accepte_or_reject_friend.php

add_friend.php

admin.php

chat/index.html

chat/index.js

connection.php

css/main.css

edit_profile.php

footer.php

forgotpassword.php

friends.php

header.php

index.php

js/main.js

messages.php

prod.env

profile.php

settings.php

twits.php