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/static.ts

@@ -0,0 +1,28 @@
+import { Expression } from '../expression'
+
+export class StaticExpression extends Expression {
+	type = 'StaticExpression'
+	constructor(protected value: unknown, public readonly isReturn = false) {
+		super()
+	}
+
+	get allExpressions() {
+		return []
+	}
+	setExpressionAt() {}
+
+	isStatic() {
+		return true
+	}
+
+	eval() {
+		return this.value
+	}
+	toString() {
+		let val = this.value
+		if (typeof val === 'string') val = `'${val}'`
+
+		if (this.isReturn) return `return ${val}`
+		return '' + val
+	}
+}