Use SPDX identifier

Shortfinga · Shortfinga · commit f71bbd48fa80 · 2024-01-25T15:02:41.000+01:00
BSD is amiguous. So let's use the correct SPDX identifier. https://spdx.org/licenses/
diff --git a/setup.py b/setup.py
@@ -23,7 +23,7 @@
     author_email=smmap.__contact__,
     url=smmap.__homepage__,
     platforms=["any"],
-    license="BSD",
+    license="BSD-3-Clause",
     packages=find_packages(),
     zip_safe=True,
     python_requires=">=3.7",
