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/genericOperator.ts

@@ -0,0 +1,37 @@
+import { Expression, IExpression } from '../expression'
+
+export class GenericOperatorExpression extends Expression {
+	type = 'GenericOperatorExpression'
+
+	constructor(
+		protected left: IExpression,
+		protected right: IExpression,
+		protected operator: string,
+		protected evalHelper: (
+			leftExpression: IExpression,
+			rightExpression: IExpression
+		) => unknown
+	) {
+		super()
+	}
+
+	get allExpressions() {
+		return [this.left, this.right]
+	}
+	setExpressionAt(index: number, expr: IExpression) {
+		if (index === 0) this.left = expr
+		else if (index === 1) this.right = expr
+	}
+
+	isStatic() {
+		return this.left.isStatic() && this.right.isStatic()
+	}
+
+	eval() {
+		return this.evalHelper(this.left, this.right)
+	}
+
+	toString() {
+		return `${this.left.toString()}${this.operator}${this.right.toString()}`
+	}
+}