feat: add molang package

1. upgrade bukkit chat
2. fix config update error

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

packages/molang/src/custom/transformStatement.ts

@@ -0,0 +1,19 @@
+import { IExpression } from '../parser/expression'
+import { GroupExpression } from '../parser/expressions/group'
+import { ReturnExpression } from '../parser/expressions/return'
+import { StatementExpression } from '../parser/expressions/statement'
+
+export function transformStatement(expression: IExpression) {
+	if (expression instanceof ReturnExpression)
+		return new GroupExpression(expression.allExpressions[0], '()')
+	if (!(expression instanceof StatementExpression)) return expression
+	if (expression.allExpressions.length > 1) return expression
+
+	// Only one statement, test whether it is a return statement
+	const expr = expression.allExpressions[0]
+	if (expr instanceof ReturnExpression) {
+		return new GroupExpression(expr.allExpressions[0], '()')
+	} else {
+		return expression
+	}
+}