Aquaria: implement new game (#3197)

This is a new world for the Aquaria game (https://www.bit-blot.com/aquaria/).

worlds/aquaria/docs/setup_en.md

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+# Aquaria Randomizer Setup Guide
+
+## Required Software
+
+- The original Aquaria Game (buyable from a lot of online game seller);
+- The [Aquaria randomizer](https://github.com/tioui/Aquaria_Randomizer/releases)
+- Optional, for sending [commands](/tutorial/Archipelago/commands/en) like `!hint`: the TextClient from [the most recent Archipelago release](https://github.com/ArchipelagoMW/Archipelago/releases)
+
+## Installation and execution Procedures
+
+### Windows
+
+First, you should copy the original Aquaria folder game. The randomizer will possibly modify the game so that
+the original game will stop working. Copying the folder will guarantee that the original game keeps on working.
+Also, in Windows, the save files are stored in the Aquaria folder. So copying the Aquaria folder for every Multiworld
+game you play will make sure that every game has their own save game.
+
+Unzip the Aquaria randomizer release and copy all unzipped files in the Aquaria game folder. The unzipped files
+are those:
+- aquaria_randomizer.exe
+- OpenAL32.dll
+- override (directory)
+- SDL2.dll
+- usersettings.xml
+- wrap_oal.dll
+- cacert.pem
+
+If there is a conflict between file in the original game folder and the unzipped files, you should override
+the original files with the one of the unzipped randomizer.
+
+Finally, to launch the randomizer, you must use the command line interface (you can open the command line interface
+by writing `cmd` in the address bar of the Windows file explorer). Here is the command line to use to start the
+randomizer:
+
+```bash
+aquaria_randomizer.exe --name YourName --server theServer:thePort
+```
+
+or, if the room has a password:
+
+```bash
+aquaria_randomizer.exe  --name YourName --server theServer:thePort --password thePassword
+```
+
+### Linux when using the AppImage
+
+If you use the AppImage, just copy it in the Aquaria game folder. You then have to make it executable. You
+can do that from command line by using 
+
+```bash
+chmod +x Aquaria_Randomizer-*.AppImage
+```
+
+or by using the Graphical Explorer of your system.
+
+To launch the randomizer, just launch in command line:
+
+```bash
+./Aquaria_Randomizer-*.AppImage --name YourName --server theServer:thePort
+```
+
+or, if the room has a password:
+
+```bash
+./Aquaria_Randomizer-*.AppImage --name YourName --server theServer:thePort --password thePassword
+```
+
+Note that you should not have multiple Aquaria_Randomizer AppImage file in the same folder. If this situation occurred,
+the preceding commands will launch the game multiple times.
+
+### Linux when using the tar file
+
+First, you should copy the original Aquaria folder game. The randomizer will possibly modify the game so that
+the original game will stop working. Copying the folder will guarantee that the original game keeps on working.
+
+Untar the Aquaria randomizer release and copy all extracted files in the Aquaria game folder. The extracted
+files are those:
+- aquaria_randomizer
+- override (directory)
+- usersettings.xml
+- cacert.pem
+
+If there is a conflict between file in the original game folder and the extracted files, you should override
+the original files with the one of the extracted randomizer files.
+
+Then, you should use your system package manager to install liblua5, libogg, libvorbis, libopenal and libsdl2.
+On Debian base system (like Ubuntu), you can use the following command:
+
+```bash
+sudo apt install liblua5.1-0-dev libogg-dev libvorbis-dev libopenal-dev libsdl2-dev
+```
+
+Also, if there is some `.so` files in the Aquaria original game folder (`libgcc_s.so.1`, `libopenal.so.1`,
+`libSDL-1.2.so.0` and `libstdc++.so.6`), you should remove them from the Aquaria Randomizer game folder. Those are
+old libraries that will not work on the recent build of the randomizer.
+
+To launch the randomizer, just launch in command line:
+
+```bash
+./aquaria_randomizer --name YourName --server theServer:thePort
+```
+
+or, if the room has a password:
+
+```bash
+./aquaria_randomizer --name YourName --server theServer:thePort --password thePassword
+```
+
+Note: If you have a permission denied error when using the command line, you can use this command line to be
+sure that your executable has executable permission:
+
+```bash
+chmod +x aquaria_randomizer
+```