Update .netconfig to ignore incoming SL.sln

Author: kzu

.netconfig

@@ -17,6 +17,10 @@
 	url = https://github.com/devlooped/oss/blob/main/src/icon.png
 	skip
 
+[file "SponsorLink.sln"]
+	url = https://github.com/devlooped/oss/blob/main/SponsorLink.sln
+	skip
+
 # the configuration needs repo-specific links to Discussions
 [file ".github/ISSUE_TEMPLATE/config.yml"]
 	url = https://github.com/devlooped/oss/blob/main/.github/ISSUE_TEMPLATE/config.yml