Manually adding thirdparty libs

thirdparty/sokol/README.md

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+[![Odin](https://github.com/floooh/sokol-odin/actions/workflows/main.yml/badge.svg)](https://github.com/floooh/sokol-odin/actions/workflows/main.yml)
+
+Auto-generated [Odin](https://github.com/odin-lang/odin) bindings for the [sokol headers](https://github.com/floooh/sokol).
+
+To include sokol in your project you can copy the [sokol](sokol/) directory.
+
+## BUILD
+
+Supported platforms are: Windows, macOS, Linux (with X11)
+
+On Linux install the following packages: libglu1-mesa-dev, mesa-common-dev, xorg-dev, libasound-dev
+(or generally: the dev packages required for X11, GL and ALSA development)
+
+1. First build the required static link libraries:
+
+    ```
+    cd sokol
+    # on macOS:
+    ./build_clibs_macos.sh
+    # on Linux:
+    ./build_clibs_linux.sh
+    # on Windows with MSVC (from a 'Visual Studio Developer Command Prompt')
+    build_clibs_windows.cmd
+    cd ..
+    ```
+
+2. Create a build directory and cd into it:
+    ```
+    mkdir build
+    cd build
+    ```
+
+3. Build and run the samples:
+    ```
+    odin run ../examples/clear -debug
+    odin run ../examples/triangle -debug
+    odin run ../examples/quad -debug
+    odin run ../examples/bufferoffsets -debug
+    odin run ../examples/cube -debug
+    odin run ../examples/noninterleaved -debug
+    odin run ../examples/texcube -debug
+    odin run ../examples/shapes -debug
+    odin run ../examples/offscreen -debug
+    odin run ../examples/instancing -debug
+    odin run ../examples/mrt -debug
+    odin run ../examples/blend -debug
+    odin run ../examples/debugtext -debug
+    odin run ../examples/debugtext-print -debug
+    odin run ../examples/debugtext-userfont -debug
+    odin run ../examples/saudio -debug
+    odin run ../examples/sgl -debug
+    odin run ../examples/sgl-points -debug
+    odin run ../examples/sgl-context -debug
+    odin run ../examples/vertexpull -debug
+    ```
+
+    By default, the backend 3D API will be selected based on the target platform:
+
+    - macOS: Metal
+    - Windows: D3D11
+    - Linux: GL
+
+    To force the GL backend on macOS or Windows, build with ```-define:SOKOL_USE_GL=true```:
+
+    ```
+    odin run ../examples/clear -debug -define:SOKOL_USE_GL=true
+    ```
+
+    The ```clear``` sample prints the selected backend to the terminal:
+
+    ```
+    odin run ../examples/clear -debug -define:SOKOL_USE_GL=true
+    >> using GL backend
+    ```
+
+    On Windows, you can get rid of the automatically opened terminal window
+    by building with the ```-subsystem:windows``` option:
+
+    ```
+    odin build ../examples/clear -subsystem:windows
+    ```