MIT license, add imgui_version into the pyproject.toml file, render imgui version in docs

Author: nurpax

DEVELOPMENT.md

@@ -9,7 +9,7 @@ MacOS:
 ```
 python3 -m venv .venv
 . .venv/bin/activate
-pip install git+https://github.com/wjakob/nanobind 'scikit-build-core[pyproject]' click glfw pyopengl numpy requests
+pip install git+https://github.com/wjakob/nanobind 'scikit-build-core[pyproject]' click glfw pyopengl numpy requests toml
 pip install --no-build-isolation -ve .
 python gen/gen_nb_enums.py > src/im_enums.inl
 ```
@@ -19,7 +19,7 @@ Windows:
 ```
 python3 -m venv .venv
 .venv\Scripts\activate.bat
-pip install git+https://github.com/wjakob/nanobind scikit-build-core[pyproject] click glfw pyopengl numpy
+pip install git+https://github.com/wjakob/nanobind scikit-build-core[pyproject] click glfw pyopengl numpy requests toml
 pip install --no-build-isolation -ve .
 python gen\gen_nb_enums.py > src\im_enums.inl
 ```
@@ -39,4 +39,5 @@ NOTE NOTE! imconfig.h contains slimgui changes!  Review after updating imgui.
 - update the imgui folder in the cimgui checkout with an imgui source release
 - cd generator && ./generator
 - dump the generator/output contents into gen/cimgui
+- update imgui version in pyproject.toml
 ```

full_build.sh

@@ -11,6 +11,12 @@ set -e
 python gen/gen_nb_enums.py > src/im_enums.inl
 pip install --no-build-isolation -ve .
 
+# Get the value of tool.slimgui.imgui_version from pyproject.toml and
+# check that slimgui.get_version() returns the same value.  It's to ensure
+# pyproject.toml imgui_version field is up to date.
+IMGUI_VERSION=$(python -c "import toml; print(toml.load('pyproject.toml')['tool']['slimgui']['imgui_version'])")
+python -c "import slimgui; assert slimgui.get_version() == '$IMGUI_VERSION'"
+
 python -m nanobind.stubgen -i build/cp312-abi3-macosx_15_0_arm64 -q -m slimgui_ext -o src/slimgui/slimgui_ext.pyi 
 python gen/amend_func_docs.py --cimgui-definitions-file gen/cimgui/definitions.json --imgui-h src/c/imgui/imgui.h --pyi-file src/slimgui/slimgui_ext.pyi -o src/slimgui/slimgui_ext.pyi
 python gen/build_docs.py --pyi-file src/slimgui/slimgui_ext.pyi --output docs/index.html docs/apiref.md

pyproject.toml

@@ -12,13 +12,18 @@ authors = [
     { name = "Janne Hellsten", email = "[email protected]" },
 ]
 classifiers = [
-    "License :: OSI Approved :: BSD License",
+    "Development Status :: 3 - Alpha",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
 ]
 
 [project.urls]
 Documentation = "https://nurpax.github.io/slimgui/"
 Repository = "https://github.com/nurpax/slimgui"
 
+[tool.slimgui]
+imgui_version = "1.91.9"
+
 [tool.pytest.ini_options]
 testpaths = [ "tests", "gen" ]