--We recommend using $_SERVER["PHP_SELF"] for your action in admin section
--we recommend inline styling for the admin section also

==>insertSettings(key,value)
    --value can be anytype of data and datatype even array
    --key should always be remembered because its what you will need to retreive data
==>getSettings(key)
   --check insertSettings

==>renderAdminPage(file_name)
     --this is used to load the file with name file_name