Create issue templates (#813)

New issue template structure with separate templates for bug reports and
feature requests.

Fixes #806.

ISSUE_TEMPLATE.md → .github/ISSUE_TEMPLATE/bug_report.md

@@ -1,25 +1,35 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+## Bug Description
+
+<!--- Describe the problem -->
+
 ## Steps to Reproduce (for bugs)
+
 <!--- Provide a screenshot and/or an unambiguous set of steps to reproduce this bug. -->
+
 1.
 2.
 3.
 4.
 
-## Current Behavior
-<!--- If describing a bug, tell us what happens instead of the expected behavior -->
-<!--- If suggesting a change/improvement, explain the difference from current behavior -->
-
-## Expected Behavior
-<!--- If you're describing a bug, tell us what should happen -->
-<!--- If you're suggesting a change/improvement, tell us how it should work -->
+## Potential Solution
 
-## Possible Solution
 <!--- Not obligatory, but suggest a fix/reason for the bug, -->
 <!--- or ideas how to implement the addition or change -->
 
 ## Your Environment
+
 <!--- Include as many relevant details about the environment you experienced the bug in. -->
 <!--- Feel free to remove irrelevant lines. -->
+
 * Threema Web version:
 * Threema App version:
 * Browser name and version:

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,22 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+## Summary
+
+<!-- A short one-sentence summary of the feature you would like to have in Threema Web -->
+
+## Detailed Description
+
+<!--- A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] -->
+<!--- Describe the solution you'd like -->
+<!--- Describe alternatives you've considered -->
+
+## Additional context
+
+<!--- Add any other context or screenshots about the feature request here. -->

.github/ISSUE_TEMPLATE/support_request.md

@@ -0,0 +1,12 @@
+---
+name: Support request
+about: 'You need support related to Threema or Threema Web '
+title: '[SUPPORT]'
+labels: ''
+assignees: ''
+
+---
+
+Note: Do NOT file support requests as issues on Github!
+Instead, use the support form at https://threema.ch/support
+or send a Threema message to the contact *SUPPORT.