Created introduction and toctrees
Created DialogHelper documentation
[WIP] FormatterHelper docs
Changed wrong argument names in Twig
As twig will support named arguments soon
fix comment to describe the sample code correctly
Added cookbook article about console logging
[Security] add description and example for the special ROLE_PREVIOUS_ADMIN role
Changed normal link to special :phpfunction: link
Changed normal link to special :phpfunction: link
Changed normal link to special :phpfunction: link
Changed normal link to special :phpfunction: link
Update reference/constraints/MinLength.rst
Changed normal link to special :phpfunction: link
Changed normal link to special :phpmethod: link
Changed normal link to special :phpmethod: link
Changed normal link to special :phpmethod: link
Changing some uses of let's
Reducing some code sample line lengths to stop horizontal scrolling
Minor CS fix
Added missing bracket