Adding CS2 egg (#2725)

* Adding CS2 egg

- Including template config and sourcetv config

* Adding missing quote for rcon password

* Update variable rules for max players and tv port

* Remove package requirement from readme

* Change game order in readme files

* Updating cs2 egg

- removed +net_public_adr from startcommand
- removed server.cfg from installscript
- removed sourcetv.cfg from installscript
- added hostname, sv_password and rcon_password to startcommand
- updated readme

* Update start parameters

- removed game_alias
- added game_mode & game_type

* Update map variable

- removed pre-defined map values
- add example values to description as of 2024-02-14

* fix readme

---------

Co-authored-by: Quinten <67589015+QuintenQVD0@users.noreply.github.com>

README.md

@@ -254,6 +254,7 @@ If you are reading this it looks like you are looking to add an egg to your serv
 * [Core Keeper](game_eggs/steamcmd_servers/core_keeper)
 * [Counter-Strike](game_eggs/steamcmd_servers/counter_strike/)
   * [Counter-Strike: Source](game_eggs/steamcmd_servers/counter_strike/counter_strike_source/)
+  * [Counter-Strike 2](game_eggs/steamcmd_servers/counter_strike/counter_strike_2/)
 * [Craftopia](game_eggs/steamcmd_servers/craftopia)
 * [Cryofall](game_eggs/steamcmd_servers/cryofall)
 * [DayZ (Experimental)](game_eggs/steamcmd_servers/dayz-experimental)