Update cheatsheets

tldr/jira

@@ -6,16 +6,29 @@ source: https://github.com/tldr-pages/tldr.git
 # jira
 
 > Interface (third party) for interacting with Jira.
-> More information: <https://github.com/ankitpokhrel/jira-cli>.
+> Note: Obtaining a Jira API token and exporting it to the shell as a `$JIRA_API_TOKEN` variable is required.
+> More information: <https://github.com/ankitpokhrel/jira-cli#commands>.
+
+- Create a configuration file (required before using `jira`):
+
+`jira init`
 
 - List recent issues:
 
-`jira issue list`
+`jira issue {{[ls|list]}}`
+
+- List unassigned issues with high priority:
+
+`jira issue {{[ls|list]}} {{[-a|--assignee]}} x {{[-y|--priority]}} High`
 
 - List issues from the current sprint, assigned to me:
 
-`jira sprint list --current {{[-a|--assignee]}} $(jira me)`
+`jira sprint {{[ls|list]}} --current {{[-a|--assignee]}} $(jira me)`
 
-- Create a new issue, optionally set a parent issue:
+- Create a new issue with a parent issue:
 
 `jira issue create {{[-P|--parent]}} {{parent}}`
+
+- Open an issue in the browser:
+
+`jira open {{123}}`