feat: add molang package

1. upgrade bukkit chat
2. fix config update error

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

packages/molang/src/parser/expressions/group.ts

@@ -0,0 +1,38 @@
+import { Expression, IExpression } from '../expression'
+
+export class GroupExpression extends Expression {
+	type = 'GroupExpression'
+
+	constructor(protected expression: IExpression, protected brackets: string) {
+		super()
+	}
+
+	get allExpressions() {
+		return [this.expression]
+	}
+	setExpressionAt(_: number, expr: IExpression) {
+		this.expression = expr
+	}
+
+	isStatic() {
+		return this.expression.isStatic()
+	}
+	get isReturn() {
+		return this.expression.isReturn
+	}
+	get isBreak() {
+		return this.expression.isBreak
+	}
+	get isContinue() {
+		return this.expression.isContinue
+	}
+
+	eval() {
+		return this.expression.eval()
+	}
+	toString() {
+		return `${this.brackets[0]}${this.expression.toString()}${
+			this.brackets[1]
+		}`
+	}
+}