add 'labpdf' as cli entry point

Author: cadenmyers13

pyproject.toml

@@ -47,6 +47,7 @@ dirty_template = "{tag}"
 
 [project.scripts]
 labpdfproc = "diffpy.labpdfproc.labpdfprocapp:main"
+labpdf = "diffpy.labpdfproc.labpdfprocapp:main"
 
 [tool.setuptools.packages.find]
 where = ["src"]  # list of folders that contain the packages (["."] by default)