added github url

Author: tsmbland

setup.py

@@ -6,7 +6,7 @@
 
 setup(
     name='saibr',
-    version='0.1.2',
+    version='0.1.3',
     license="CC BY 4.0",
     author='Tom Bland',
     author_email='tom_bland@hotmail.co.uk',
@@ -22,5 +22,8 @@
                       'opencv-python'],
     description='Python implementation of SAIBR: a tool for performing spectral autofluorescence correction on biological images',
     long_description=long_description,
-    long_description_content_type='text/markdown'
+    long_description_content_type='text/markdown',
+    project_urls={
+        "Source Code": "https://github.com/goehringlab/saibr_python",
+    }
 )