games: added citra and restructured the gaming entries

wiki/games/citra.md

@@ -0,0 +1,10 @@
+# Citra
+
+[Citra](https://citra-emu.org/) is a 3DS [emulator](./emulators.md).
+
+## Setup
+
+Citra can be installed on different systems, a list for this can be found on
+the [Citra website](https://citra-emu.org/download).
+Additionally it can be installed using [Flatpak](../linux/flatpak.md) where the
+package is called `org.citra_emu.citra`.

wiki/games/dolphin.md

@@ -49,10 +49,3 @@ preference.
 Check the `Start in Fullscreen` box to start games automatically in fullscreen
 mode.
 To exit it use `Esc`.
-
-### Running a game without selection in the menu
-
-To run a game instantly the path to the [ROM](./emulators.md) needs to be
-appended to the command used for starting Dolphin.
-This should be made in quotation marks as it could contain characters that need
-to be escaped.

wiki/games/emulators.md

@@ -7,7 +7,13 @@ another computer.
 Emulators usually need ROMs to run games.
 ROMs are a digital copy of a video game.
 
+Due to its form factor emulators can be installed and used nicely on a
+[Steam Deck](/wiki/games/steam_deck.md).
+Emulator games can even be
+[started through the normal interface](/wiki/games/steam_deck.md#running-a-game-directly-through-the-interface).
+
 ## List of Emulator software
 
-- [PPSSPP](./ppsspp.md) is made to emulate Playstation Portable games
-- [Dolphin](./dolphin.md) is made to emulate GameCube and Wii games
+- [PPSSPP](/wiki/games/ppsspp.md) is made to emulate Playstation Portable games.
+- [Dolphin](/wiki/games/dolphin.md) is made to emulate GameCube and Wii games.
+- [Citra](/wiki/games/citra.md) is made to emulate 3DS games.

wiki/games/ppsspp.md

@@ -34,10 +34,3 @@ The Device name will change if you are not using a
 - Upscale level: `2x`
 - Upscale type: `Hybrid + Bicubic`
 - Deposterize: `on`
-
-### Running a game without selection in the menu
-
-To run a game instantly the path to the [ROM](./emulators.md) needs to be
-appended to the command used for starting PPSSPP.
-This should be made in quotation marks as it could contain characters that need
-to be escaped.

wiki/games/steam.md

@@ -30,6 +30,14 @@ This will open the website with the Steam browser.
 
 ### Setting Icons and Banners for Games
 
+The following paragraph explains the usage of [SteamGridDB](https://www.steamgriddb.com/) in a
+normal Steam installation.
+For [Steam Deck](/wiki/games/steam_deck.md) users the
+[plugin manager Decky](/wiki/games/steam_deck.md#plugin-manager-decky) can be used to install
+SteamGridDB in a package of the same name.
+Icons and Banners can then be changed by opening the menu after selecting a game and selecting
+`Change Artwork...`.
+
 Images for games can be changed by downloading them and applying them manually.
 An easier route can be taken by using
 [SGDBoop](https://www.steamgriddb.com/boop).
@@ -49,14 +57,12 @@ Make sure the game is a Steam game or
 After the installation of the game, the system may need to restart to correctly
 work with [SGDBoop](https://www.steamgriddb.com/boop) for the game.
 
-## Steam Cloud
+### Steam Cloud and Game Synchronization
 
 The [Steam Cloud](https://partner.steamgames.com/doc/features/cloud) allows
 games and the platform to utilize cloud storage hosted by Steam.
 Games can use this to store data including game settings and saves.
 
-### Synchronize games saves without non-Steam-Cloud
-
 By using [Syncthing](../syncthing.md) game saves can be synchronized without
 the Steam Cloud.
 First set up Syncthing as described in the

wiki/games/steam_deck.md

@@ -18,3 +18,35 @@ software management suite to install additional software.
 
 - Esc: `STEAM + D-Pad Left`
 - Show Keyboard: `STEAM + X`
+
+### Running a Game Directly Through the Interface
+
+Simple programs can be started from inside the gaming mode by adding it as a
+[non-Steam game](/wiki/games/steam.md#adding-non-steam-games).
+
+For [emulator games](/wiki/games/emulators.md) the setup is more complex.
+Firstly the emulator needs to be added as a
+[non-Steam game](/wiki/games/steam.md#adding-non-steam-games).
+To run a game instantly the path to the [ROM](./emulators.md) needs to be
+appended to the command used for starting the emulator needed for it.
+This should be made in quotation marks as it could contain characters that need
+to be escaped.
+
+Afterwards the icons and banners of it can be set using
+[SteamGridDB](/wiki/games/steam.md#setting-icons-and-banners-for-games).
+
+### Plugin Manager Decky
+
+The Steam Deck features a wide variable of customization options.
+Some of these options can be accessed by installing
+[the plugin manager Decky](https://github.com/SteamDeckHomebrew/decky-loader).
+To install it download the setup file from the
+[Github page](https://github.com/SteamDeckHomebrew/decky-loader) and run it.
+Afterwards the plugin manager will be available after pressing the `...` button on the Deck and
+navigating to the bottom of the menu.
+There plugins can be installed and removed aswell as managed.
+
+The following list includes some useful plugins.
+
+- [SteamGridDB](/wiki/games/steam.md#setting-icons-and-banners-for-games): setting new images for
+  games