add support create permission variable

[Zarkness]

add the possibility of being able to create a variable and put that if it has a certain permission has another value, it would also be necessary to add that in the command /svar set you can edit the value without permission or the value with permission and in both options both edit the value without permission and permission add if you want it to be to all including offline

example I create the variable type player text if you don't have the permission example.variable you see the text example but if you have it you see the text example permission

[Zarkness]

add the possibility to save global variables also in the database and add the possibility to use it in bungee or globally in a network.