add command line entrypoint

pyproject.toml

@@ -20,6 +20,9 @@ dependencies = [
     "frozendict",
 ]
 
+[project.scripts]
+qubed = "qubed.__main__:main"
+
 [tool.maturin]
 python-source = "src/python"
 module-name = "qubed.rust"

src/python/qubed/__main__.py

@@ -29,6 +29,7 @@ def main():
     # Read from standard input
     l = 0
     for line in sys.stdin.readlines():
+        l += 1
         
     
     # Process data (For now, just echoing the input)