refactor: improve string replacement method in StringUtils.cs

refactor: complete project restructuring

feat: fixed an issue detecting admin flags and groups of spectators (tested using CSS-PANEL)

fix: problem with `SpecSkipFlag` array

fix: problem with detection of user flags in spect (SpecSkipFlag)

fix: EnableDebug config

fix: fixed a bug that allowed players to remain AFK in spectator mode; feat: added a configuration option to enable or disable debugging messages

fix: version

feat: add AfkKickMinPlayers config

feat(lang): polish translation

Create pl.json

docs: fix readme

fix: remove logic from OnPlayerTeam

fix: version update

style: change default sound