SplitChat 1.2

Changes:
The %splitchat_prefix%, %splitchat_distance% placeholders are now replaced with {splitchat_prefix}, {splitchat_distance} for compatibility with the PlaceholderAPI plugin

Code cleanup.

Changelog:
1. Fixed the problem that players can't see the local chat.
2. Now if the parameter "enable-permissions" is enabled, players without permission will not be able to write in the chat room.
3. Added /localspy (/lspy) command to spy on local chat
4. All plugin messages are moved to the messages.yml file

New placeholder: %splitchat_distance% - Display the distance to the player who sent the message