feat(config): 添加跨服活动配置文件

- 新增 ACTcrossServerTabCfg.json 配置文件，定义了多种跨服活动的属性
- 在 .gitignore 文件中添加了 package-lock.json、node_modules 和 config.xml

configs/PlatformQQConfig.json

@@ -0,0 +1 @@
+{"reward2":[{"id":269,"type":0,"count":1},{"id":3,"type":7,"count":10},{"id":246,"type":0,"count":10},{"id":2,"type":2,"count":10000}],"reward3":[{"id":421,"type":0,"count":5},{"id":269,"type":0,"count":5},{"id":245,"type":0,"count":100},{"id":2,"type":2,"count":50000}],"reward1":[{"id":421,"type":0,"count":1},{"id":261,"type":0,"count":1},{"id":239,"type":0,"count":100},{"id":2,"type":2,"count":30000}]}