added new filters

added new filters to check user account type. e.g. prepaidUser,
advanceUser or freeUser
new file for user routes

removed user specific routes from main routes.php and added new file
‘user_routes.php’ for user panel routes.
separate view files for user panel.
updated form route

updated form route name as per the new user_routes file.
updated form route

updated form route name as per the new user_routes file.
new separate controller for prepaid users.

added new file PrepaidUserController.php to handle prepaid user
specific actions.
new separate controller for advance paid users

added new file AdvanceUserController.php to handle advance paid user
specific actions.
new separate controller for frinternet user panel.

added new file FreeUserController.php to handle frinternet user
specific actions.
rewriting userController.php
removed navbar code

moved navbar code from main header_footer.blade.php to sub_header
specific to user types. e.g. prepaid/frinternet/advancepaid etc.
updated postLogin method

modified postLogin method to redirect user to user panel specified for
their account type.