[+] Added a security feature to prevent all teleportations outside the border (ender pearl, /tp, Nether portal, etc...).
[+] Added the 'disable-out-of-border-teleport' parameter to enable or disable this security feature in the config.yml.
[+] Added a messages.yml file for configuring custom messages.
[+] Added the 'out-of-border-teleport' message in messages.yml.
[+] Added the 'permission-command' message in messages.yml.
[+] The source code is now available.
[+] Updated headers.
[+] Added MIT License.

[~] API update, 1.13 to 1.20 for future updates, The plugin is still compatible in 1.13+

[+] Added the command " /border list" to display a list of borders and worlds
[+] Added the permission " worldborder.list" to use the "/border list" command
[~] Borders can now be created by specifying the world name ( /border set <world> <size>)
[~] All commands can now be executed by the console