feat: add molang package

1. upgrade bukkit chat
2. fix config update error

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

packages/molang/src/parser/parselets/prefix.ts

@@ -0,0 +1,20 @@
+import { Parser } from '../parse'
+import { IExpression } from '../expression'
+import { Token } from '../../tokenizer/token'
+import { PrefixExpression } from '../expressions/prefix'
+
+export interface IPrefixParselet {
+	readonly precedence: number
+	parse: (parser: Parser, token: Token) => IExpression
+}
+
+export class PrefixOperator implements IPrefixParselet {
+	constructor(public precedence = 0) {}
+
+	parse(parser: Parser, token: Token) {
+		return new PrefixExpression(
+			token.getType(),
+			parser.parseExpression(this.precedence)
+		)
+	}
+}