Merge pull request #530 from songzy12/master

Update the stale action rule to not mark issues with assignees as stale.

.github/stale.yml

@@ -1,20 +1,30 @@
 # Number of days of inactivity before an issue becomes stale
 daysUntilStale: 60
+
 # Number of days of inactivity before a stale issue is closed
 daysUntilClose: 7
+
 # Issues with these labels will never be considered stale
 exemptLabels:
   - pinned
   - security
   - to do
+
+# Set to true to ignore issues with an assignee
+exemptAssignees: true
+
 # Label to use when marking an issue as stale
 staleLabel: wontfix
+
 # Comment to post when marking an issue as stale. Set to `false` to disable
 markComment: >
   This issue has been automatically marked as stale because it has not had
   recent activity. It will be closed if no further activity occurs. Thank you
   for your contributions.
+
 # Comment to post when closing a stale issue. Set to `false` to disable
 closeComment: >
   Closing as stale, please reopen if you'd like to work on this further.
+
+# Limit to only `issues` or `pulls`
 only: issues