Update cheatsheets

hub-issue

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# hub issue
+
+> Manage Github issues.
+> More information: <https://hub.github.com/hub-issue.1.html>.
+
+- List the last 10 issues with the `bug` label:
+
+`hub issue list --limit {{10}} --labels "{{bug}}"`
+
+- Display a specific issue:
+
+`hub issue show {{issue_number}}`
+
+- List 10 closed issues assigneed to a specific user:
+
+`hub issue --state {{closed}} --assignee {{username}} --limit {{10}}`