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/boolean.ts

@@ -0,0 +1,21 @@
+import { Expression } from '../expression'
+
+export class BooleanExpression extends Expression {
+	type = 'BooleanExpression'
+	constructor(protected value: boolean) {
+		super()
+	}
+
+	get allExpressions() {
+		return []
+	}
+	setExpressionAt() {}
+
+	isStatic() {
+		return true
+	}
+
+	eval() {
+		return this.value
+	}
+}