* [Security][Bugfix] Fix directory traversal exploit
1.The first slash will act as root path when resolving local path, so directory traversal is possible
2.Filter the illegal payload to prevent directory traversal
3.This also fix the bug about not loading the files in data folder when querying `/hk4e/announcement/`
* Fix formatting
* Update src/main/java/emu/grasscutter/server/http/handlers/AnnouncementsHandler.java
* Move Data, Plugin, Script, Packet access from Strings to Paths
- No longer dump default Data files to folder on launch
- Allow Scripts to be loaded from Resources zip
- Lay groundwork for Plugins to be loaded from zip
* Show server status to three-party game launcher
* Set the maximum number of player on the server through the config.json
* modify the logical order and show the number of maxplayer to API /status/server
* Now even players who have token already cannot bypass the maxPlayer check
* Autogenerate keys and data files
* Update gacha html files
Accidentally pushed with old html files
* Keys no longer copied. No more manually retrieving listing files. Recursive directory creation
Removed unused code from old GC as well.
* Moved somethings and better errors
* Fixed resources from loading twice
* Data files fallback
