New `edit`, `repack` commands, support for 13.20

See updated readme for details: https://github.com/opentibiabr/client-editor/blob/main/README.md

• Added an .\client-editor.exe edit command to do edits
• Added a.\client-editor.exe repack command to repack a full client to use with a launcher
• Updated BattleEye hex for 13.20

What's Changed

• feat: add client repacking for launcher and rewrite configurable edit by @luan in #9

New Contributors

• @luan made their first contribution in #9

Full Changelog: v1.4...v2.0