v1.4.0 | Switching to MiniMessage for messages

• Versions below 1.17 will no longer be supported;
• Placeholder symbols have been replaced with %;
• Switching to MiniMessage for messages:

&0 -> <black>
&1 -> <dark_blue>
&2 -> <dark_green>
&3 -> <dark_aqua>
&4 -> <dark_red>
&5 -> <dark_purple>
&6 -> <gold>
&7 -> <gray>
&8 -> <dark_gray>
&9 -> <blue>
&a -> <green>
&b -> <aqua>
&c -> <red>
&d -> <light_purple>
&e -> <yellow>
&f -> <white>
&b -> <bold>