Shards - AFK Zone - Folia Support v3.8

• added new perm: shards.receive.<n> example .10 then the person gets 10 shards per intervall.
• added new perm: shards.time.<n> example .10 then the countdown for that person is 10s.
• added new perm: shards.booster.<n> example .2 then the player gets 2x his shards per interval.
• fixed known issues

• added support for excellenteconomy

• fixed coins engine issues
• added support for newest version of coins engine
• fixed minor placeholder issues

• added /shard clearbooster <user>
• fixed issues with the booster
• added some new messages

• fixed sound version issue

• added new license system

• added folia support

[~] new yml strukture
[~] new yml setup files
[~] added pay take cmd for admins
[~] added placeholder
[~] added leave afk zone message