feat(coat-bridge): Allow descriptions on category entries

tweed5-minecraft/coat-bridge/src/testmod/resources/assets/tweed5_coat_bridge_testmod/lang/en_us.json

@@ -1,6 +1,7 @@
 {
 	"tweed5_coat_bridge_testmod.title": "Test Mod",
 	"tweed5_coat_bridge_testmod.config": "Test Mod config",
+	"tweed5_coat_bridge_testmod.config.description": "Category description",
 	"tweed5_coat_bridge_testmod.config.test": "Test entry",
 	"tweed5_coat_bridge_testmod.config.test.description": "Just a simple string entry",
 	"tweed5_coat_bridge_testmod.config.some-integer": "Some integer",