Added README.md with documentation

.gitignore

@@ -1,3 +1,8 @@
+# Builing umu-protonfixes binaries
+builddir/
+dist/
+subprojects/
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]

README.md

@@ -0,0 +1,149 @@
+# UMU-Protonfixes
+
+This project acts as a stopgap for fixing games that don't work out of the box on Proton. It implements game-specific patches, such as installing Winetricks verbs.
+
+It is the heart of `UMU-Proton` and `GE-Proton`.
+
+## Start parameter fixes
+
+The [default fix file for Steam](gamefixes-steam/default.py) implements a feature to install Winetricks / Protontricks verbs via startup parameters. Just add `-pf_tricks=<verb>` to it. You can install multiple verbs by adding the parameter more than once.
+
+```bash
+-pf_tricks=xliveless -pf_tricks=d3dcompiler_47
+```
+
+You can also set [dxvk options](https://github.com/doitsujin/dxvk/wiki/Configuration).
+
+```bash
+-pf_dxvk_set=dxgi.maxFrameRate=40 -pf_dxvk_set=d3d9.maxFrameRate=40 
+```
+
+The order is not important and the arguments are not passed on to the game.
+
+## Local fixes
+
+The easiest way to implement a new fix or modify an existing one, is to use local fixes.
+
+First of all, you should find the Steam-ID of the game (right click the game in your Steam library -> 'Properties...' -> 'Updates' -> 'App ID:') and use it as the filename, with a `.py` extension.
+
+Example `Day of Defeat: Source` (AppID 300):
+
+> ~/.config/protonfixes/localfixes/300.py
+
+Another type of fix is one that runs before each game. This allows you to set defaults for all games.
+
+> ~/.config/protonfixes/localfixes/default.py
+
+Note that local fixes override the included "global" fixes. So using an existing fix might be a good starting point for modifications, as they will not be executed.
+
+For example, overriding the default fix will disable [the parameter parsing for Steam games](#start-parameter-fixes). This can be restored by copying [the global default file](gamefixes-steam/default.py) and applying your changes accordingly.
+
+## Non-Steam games
+
+As we support platforms other than Steam, these fixes can also be used by other launchers, such as Lutris, Heroic, Legendary or Bottles.
+
+The current implementation requires entries in a special database that looks up the `UMU-ID`, which consists of the prefix `umu-` and in most cases the SteamID (if the game exists on that platform).
+
+https://github.com/Open-Wine-Components/umu-database
+
+## Config file
+
+There is a config file located at:
+
+> ~/.config/protonfixes/config.ini
+
+It's not widely used at the moment, but you can configure some aspects.
+
+### Defaults
+
+```toml
+[main]
+enable_checks = true
+enable_global_fixes = true
+
+[path]
+cache_dir = ~/.cache/protonfixes
+```
+
+### Variables
+
+`enable_checks`: De-/activate checks that are run on every startup. Currently only a check if esync might cause problems.
+
+`enable_global_fixes`: De-/activate global fixes, which are the built-in files in the `gamefix-*` folders. Only [local fixes](#local-fixes) will be executed.
+
+`cache_dir`: Used when something needs to be unpacked or similar.
+
+### Values 
+
+Valid "enable" values are: `yes`, `y`, `true`, `1`
+
+Any other value is interpreted as disabled.
+
+## Building binaries
+
+UMU-Protonfixes ships some binaries - used by some fixes - that need to be built.
+
+**You probably do not need to build them to contribute.**
+
+These binaries are not included in this repository, but are built from git-submodules in the [subprojects folder](subprojects/). To get the submodules, run the following command:
+
+```bash
+git submodule update --init --recursive
+```
+
+To actually build the binaries, simply run:
+
+```bash
+make
+```
+
+## Contributing
+
+We do enforce some linting and testing that can and should be done locally - before you open a pull request.
+
+### Linting
+
+To install the necessary tools, just run:
+
+```bash
+python -m pip install --upgrade pip
+pip install ruff
+```
+
+On Arch / Manjaro, you should run this instead:
+
+```bash
+sudo pacman -Sy ruff
+```
+
+To run a check, just execute:
+
+```bash
+ruff check .
+```
+
+You are good to go when you see the message `All checks passed!`.
+
+### Testing
+
+The filenames of the fixes are checked against the Steam and GOG APIs. All symbolic links are also checked. This is not mandatory to run locally, as you should have a working game fix to begin with, and it will be done automatically by Github's CI.
+
+You can still run it though:
+
+```bash
+cd .github/scripts
+python check_gamefixes.py
+```
+
+You need the following prerequisites:
+
+```bash
+python -m pip install --upgrade pip
+pip install ijson
+```
+
+On Arch / Manjaro:
+
+```bash
+sudo pacman -Sy python-ijson
+```

config.py

@@ -13,7 +13,6 @@
 DEFAULT_CONF = """
 [main]
 enable_checks = true
-enable_splash = false
 enable_global_fixes = true