Add initial files

.gitignore

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+.clang-format
+/*build*
+/sdk

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+project(steamwrap)
+
+set(CMAKE_CXX_STANDARD 17)
+
+add_library(Steamworks IMPORTED SHARED)
+set_target_properties(Steamworks PROPERTIES
+        INTERFACE_INCLUDE_DIRECTORIES ${STEAMWORKS_INCLUDE_DIR}
+        IMPORTED_LOCATION ${STEAMWORKS_LIBRARIES})
+
+add_executable(steamwrap main.cpp)
+target_link_libraries(steamwrap PRIVATE Steamworks)
+set_target_properties(steamwrap
+        PROPERTIES
+        BUILD_RPATH "$ORIGIN"
+)

LICENSE

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+Copyright (c) 2023 Joshua Goins
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# steamwrap
+
+Used for [Astra](https://git.sr.ht/~redstrate/astra) to initialize and communicate with the Steam API.
+
+Due to restrictions on how the Steamworks SDK is distributed, I have to build it locally. Astra downloads a binary version of steamwrap from a distribution server during Flatpak build alongside the redistributable.
+
+## Building
+
+Remember that newer glibc/++ won't work when it's inside the Steam Linux Runtime, so I recommend using distrobox to build steamwrap:
+
+```shell
+$ distrobox create --name test --init --image debian:10 --additional-packages "systemd libpam-systemd" # Debian 10 is the base of Steam Linux Runtime 2.0
+$ distrobox enter test
+$ mkdir build
+$ cd build
+$ cmake -DSTEAMWORKS_LIBRARIES=<location of steam sdk>/redistributable_bin/linux64/libsteam_api.so -DSTEAMWORKS_INCLUDE_DIR=<location of steam sdk>/public/ ..
+$ make
+```

main.cpp

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+#include <iostream>
+#include <steam/steam_api.h>
+#include <cstdlib>
+
+int main(int argc, char *argv[]) {
+    putenv("SteamAppId=39210");
+    putenv("SteamGameId=39210");
+
+    std::cout << "Previous LD_LIBRARY_PATH:" << getenv("LD_LIBRARY_PATH") << std::endl;
+
+    std::string newEnv = std::string("PREVIOUS_LD_LIBRARY_PATH=") + getenv("LD_LIBRARY_PATH");
+
+    putenv(const_cast<char*>(newEnv.c_str()));
+
+    putenv("LD_LIBRARY_PATH=");
+
+    if (!SteamAPI_Init()) {
+        throw std::runtime_error("Failed to initialize steam api!");
+    }
+
+    std::cout << "Initialized Steam API..." << std::endl;
+
+    std::string args;
+    for (int i = 1; i < argc; i++) {
+        args += std::string(argv[i]) + " ";
+    }
+
+    std::cout << args.c_str() << std::endl;
+    system(args.c_str());
+
+    SteamAPI_Shutdown();
+
+    std::cout << "Shutdown!" << std::endl;
+
+    return 0;
+}