Update v5.4

[leohubert]

• [x] Fix Spacewar ( move SteamAPI.Intit(); ) in getUserUid() function
• [x] Change all icons to modern icons
• [ ] Fix email last character hided buy '...'
• [ ] Fix size of text in information IG (username)
• [x] Find a system to change easily icons & logo in launcher one time
• [x] Fix BattleEye not initialized
• [ ] Fix 404 error in filebrowser
• [ ] Add upload icon & logo in webpanel to download them in runtime
• [ ] Check if web panel is up-to-date with git fetch & git status
• [ ] Add an option noob for novice people, if this option is true add auto--update of launcher with GitHub Release
• [ ] Add an .json file config or .xml to set launcher require value

Before this version finish this issue #57

After that, create v5.4 Release of Launcher

Good luck 🈹