Provide active sessions as a dashboad gadget

[codescape]

Allow to jump into scrum poker sessions from a Jira dashboard gadget that shows running Scrum Poker sessions. Optionally this could be customized with a filter to a specific project or query.

Tasks

• [ ] create the gadget
• [ ] (optional) i18n for the gadget
• [ ] (optional) configuration for the gadget
• [ ] update/create online documentation

Related

• https://developer.atlassian.com/server/jira/platform/writing-gadgets-for-jira/