add stub test, add pyproject.toml, add basic structure

pyproject.toml

@@ -0,0 +1,28 @@
+[build-system]
+requires = ["setuptools>=75.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "nexus_sync"
+version = "0.1.0"
+description = "A utility that allows you to manage your computers from a centralized server."
+readme = "README.md"
+license = { file = "LICENSE" }
+requires-python = ">=3.11"
+dependencies = []
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=8.0",
+    "black>=24.0",
+]
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[tool.black]
+line-length = 100
+target-version = ["py311"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]