Initial commit with nexus updates and streamlined UI

pyproject.toml

@@ -0,0 +1,16 @@
+[build-system]
+requires = ["setuptools>=68"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "mhwilds-mod-manager"
+version = "0.1.0"
+description = "Native Linux mod manager for Monster Hunter Wilds"
+requires-python = ">=3.11"
+dependencies = []  # GTK4/libadwaita come from system PyGObject; nothing to pip install
+
+[project.scripts]
+mhwmm = "mhwmm.__main__:main"
+
+[tool.setuptools.packages.find]
+where = ["src"]