[FEATURE] Add prizes to finish lines

[diademiemi]

For 2.0.0, finish lines will be able to hand out prizes.
Below here are my notes for plans for the command syntax & features

Finish Line Prizes

[A-Za-z] characters get stripped, so 1st is the same as 1, for ease of use and easier to read docs
ln line f prize add 1st diamond
ln line f prize add 1 diamond

Multiple of the item

ln line f prize add 1st diamond 16

Should also support NBT

ln line f prize add 1st diamond{display:{Name:"Custom Name"}

Range of ordinal places

ln line f prize add 1-3 diamond

Comma separated range

ln line f prize add 1,3 diamond

Can remove prize by number or content

ln line f prize remove 1st diamond
ln line f prize remove 1st 1

Use Vault to give money

ln line f prize add 1st $100

Run command through console

ln line f prize add 1st /command %username%

Message

ln line f prize message true (default)
You have been rewarded with a diamond!
You have been rewarded with 16x diamond!

Since information for this could quickly clog up the info command, it should be displayed in a new info page ln line a_finish_line info prizes