Revert "WalruRouter: Fix, use  instead of custom"

This reverts commit f07e4d5dc9236561b6764e9ef159437bff919835.
WalrusRouter: fix bug when Walrus is used on a subdirectory
Twig: set autoreload to automaticly update cached template
Update VHOST.md
Form builder exemple synchronized with the one in the walrus documentation
Form builder: add textarea type
Form builder: add textarea exemple, fix min/max verification
WalrusRouter: fix double // issue on routing
WalrusI18n: bad Excpetio nhandling fixed
WalrusForm: fix validate by regex statement, return true o n success
Form builder: add empty and not_empty statment
Form builder: missing for attribute on label element of text input
Form builder: add select option group
Form builder: fix select option group bug
Front Controller: add superglobal var to an app var + Twig debug mode
Form builder: add getter/setter