fix: fix broken entrypoint (#205)

* fix entrypoint

* news

Author: cadenmyers13

news/app-fix.rst

@@ -0,0 +1,23 @@
+**Added:**
+
+* No news needed: fix entrypoint.
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>

pyproject.toml

@@ -53,7 +53,7 @@ exclude = []  # exclude packages matching these glob patterns (empty by default)
 namespaces = false  # to disable scanning PEP 420 namespaces (true by default)
 
 [project.scripts]
-diffpy-srfit = "diffpy.srfit.app:main"
+diffpy-srfit = "diffpy.srfit.srfit_app:main"
 
 [tool.setuptools.dynamic]
 dependencies = {file = ["requirements/pip.txt"]}