mattermost-desktop/ISSUE_TEMPLATE.md

I confirm (by marking "x" in the [ ] below): 

- [ ] This is not a troubleshooting question. [Troubleshooting questions go here: http://www.mattermost.org/troubleshoot/](http://www.mattermost.org/troubleshoot/).
- [ ] This doesn't reproduce on web browsers (such as in Chrome). If it does, [issue reports go to the Mattermost Server repository](https://github.com/mattermost/platform/issues).
- [ ] I have read [contributing guidelines](https://github.com/mattermost/desktop/blob/master/CONTRIBUTING.md).

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**Summary**
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Issue in one concise sentence.
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**Steps to reproduce**

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**Expected behavior**

**Observed behavior**

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**Possible fixes**

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