wip: replace packages with pure files

packages/game/condition/NotMatcher.ts

@@ -0,0 +1,10 @@
+import { ICommand } from '../schema'
+import { Matcher } from './Matcher.js'
+
+export class NotMatcher implements Matcher {
+  constructor(private condition: Matcher) {}
+
+  match(command: ICommand): boolean {
+    return !this.condition.match(command)
+  }
+}