Add bin/ and packages/ to .gitignore

.gitignore

@@ -21,6 +21,13 @@
 *.userosscache
 *.sln.docstates
 
+# Build outputs
+bin/
+obj/
+
+# NuGet packages
+[Pp]ackages/
+
 # User-specific files (MonoDevelop/Xamarin Studio)
 *.userprefs