feat: add molang package

1. upgrade bukkit chat
2. fix config update error

Signed-off-by: MiaoWoo <admin@yumc.pw>

packages/molang/src/parser/parselets/groupParselet.ts

@@ -0,0 +1,18 @@
+import { IPrefixParselet } from './prefix'
+import { Token } from '../../tokenizer/token'
+import { Parser } from '../parse'
+import { GroupExpression } from '../expressions/group'
+
+export class GroupParselet implements IPrefixParselet {
+	constructor(public precedence = 0) {}
+
+	parse(parser: Parser, token: Token) {
+		const expression = parser.parseExpression(this.precedence)
+		parser.consume('RIGHT_PARENT')
+
+		if (parser.config.keepGroups)
+			return new GroupExpression(expression, '()')
+
+		return expression
+	}
+}