Fixed and added environment variables

plugins/LuckPerms/config.yml.template

@@ -95,15 +95,15 @@ data:
   # - The standard DB engine port is used by default
   #   (MySQL: 3306, PostgreSQL: 5432, MongoDB: 27017)
   # - Specify as "host:port" if differs
-  address: 185.229.220.128
+  address: ${LUCKPERMS_DB_IP}
 
   # The name of the database to store LuckPerms data in.
   # - This must be created already. Don't worry about this setting if you're using MongoDB.
-  database: s3_Luckperms
+  database: ${LUCKPERMS_DB_NAME}
 
   # Credentials for the database.
-  username: u3_tskIziIM83
-  password: 'ziB.EoVU6k.^IYPiexE5mO+X'
+  username: ${LUCKPERMS_DB_USERNAME}
+  password: '${LUCKPERMS_DB_PASSWORD}'
 
   # These settings apply to the MySQL connection pool.
   # - The default values will be suitable for the majority of users.