add binary for running

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

app/main.py

@@ -0,0 +1,10 @@
+#!/usr/bin/env python3
+
+from app.flake_show import get_derivations
+
+def main():
+    print(get_derivations("/home/alice/.gitprojects/nix-dotfiles"))
+
+if __name__ == "__main__":
+    main()
+

pyproject.toml

@@ -10,6 +10,8 @@ readme = "README.md"
 python = "^3.11"
 sqlalchemy = "^2.0.31"
 
+[tool.poetry.scripts]
+main = "app.main:main"
 
 [tool.poetry.group.dev.dependencies]
 ruff = "0.5.1"