Added ARRCON, LinuxGSM & RconCli to 'Games - Administrative Utilities & Control Panels' (#2857)

* create new section 'Games - Administrative Utilities & Control Panels'

Co-authored-by: nodiscc <nodiscc@gmail.com>

README.md

@@ -963,8 +963,6 @@ _Related: [Groupware](#groupware)_
 
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-Games, game servers and control panels.
-
 - [A Dark Room](https://github.com/doublespeakgames/adarkroom) - Minimalist text adventure game for your browser. ([Demo](https://adarkroom.doublespeakgames.com/)) `MPL-2.0` `HTML5`
 - [elevatorsaga](https://play.elevatorsaga.com/) - The elevator programming game. ([Source Code](https://github.com/magwo/elevatorsaga)) `MIT` `Javascript`
 - [EmuLinkerSF](https://emulinker.org) - EmuLinkerSF is an open source Kaillera server. Kaillera is a client/server system that any emulator can implement to enable netplay over the Internet. ([Source Code](https://github.com/God-Weapon/EmuLinkerSF)) `GPL-2.0` `Java`
@@ -978,10 +976,8 @@ Games, game servers and control panels.
 - [node-virtual-gamepads](https://github.com/jehervy/node-virtual-gamepads) - Turn your smartphone into a game controller, keyboard, or touchpad for a remote Linux OS machine. `MIT` `Nodejs/CoffeScript`
 - [piqueserver](https://github.com/piqueserver/piqueserver) - Server for openspades, the first-person shooter in a destructible voxel world. ([Clients](https://github.com/yvt/openspades)) `GPL-3.0` `Python/C++`
 - [Posio](https://github.com/abrenaut/posio) - Geography multiplayer game. `MIT` `Python`
-- [Pterodactyl](https://pterodactyl.io/) - Management panel for game servers, with an intuitive UI for end users. ([Source Code](https://github.com/pterodactyl/panel)) `MIT` `PHP`
 - [QuakeJS](https://github.com/begleysm/quakejs) - QuakeJS is a port of ioquake3 to Javascript that can be played in a browser. `MIT` `Nodejs`
 - [Quizmaster](https://github.com/nymanjens/quizmaster) - A web-app for conducting a quiz, including a page for players to enter their answers. `Apache-2.0` `Scala`
-- [RconCli](https://github.com/gorcon/rcon-cli) - CLI for executing queries on a remote Valve Source dedicated server using the RCON Protocol. `MIT` `Go`
 - [SourceBans++](https://sbpp.github.io) - Admin, ban, and communication management system for games running on the Source engine. ([Source Code](https://github.com/sbpp/sourcebans-pp)) `CC-BY-SA-4.0` `PHP`
 - [Teeworlds](https://www.teeworlds.com) - Open source 2D retro multiplayer shooter. ([Source Code](https://github.com/teeworlds/teeworlds)) `BSD-3-Clause/Other` `C++`
 - [The Battle for Wesnoth](https://github.com/wesnoth/wesnoth) - The Battle for Wesnoth is an Open Source, turn-based tactical strategy game with a high fantasy theme, featuring both singleplayer and online/hotseat multiplayer combat. `GPL-2.0` `C++`
@@ -990,6 +986,16 @@ Games, game servers and control panels.
 - [Zero-K](https://zero-k.info/) - Open Source on Springrts engine. Zero-K is a traditional real time strategy game with a focus on player creativity through terrain manipulation, physics, and a large roster of unique units - all while being balanced to support competitive play. ([Source Code](https://github.com/ZeroK-RTS/Zero-K)) `GPL-2.0` `Lua`
 
 
+### Games - Administrative Utilities & Control Panels
+
+**[`^        back to top        ^`](#)**
+
+- [ARRCON](https://github.com/radj307/ARRCON) - Terminal-based RCON client compatible with any game servers using the Source RCON Protocol. `GPL-3.0` `C++`
+- [LinuxGSM](https://linuxgsm.com/) - CLI tool for deployment and management of dedicated game servers on Linux: more than 120 games are supported. ([Source Code](https://github.com/GameServerManagers/LinuxGSM)) `MIT` `Shell`
+- [Pterodactyl](https://pterodactyl.io/) - Management panel for game servers, with an intuitive UI for end users. ([Source Code](https://github.com/pterodactyl/panel)) `MIT` `PHP`
+- [RconCli](https://github.com/gorcon/rcon-cli) - CLI for executing queries on a remote Valve Source dedicated server using the RCON Protocol. `MIT` `Go`
+
+
 ### Gateways and Terminal Sharing
 
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