new support document.

.github/support.md

@@ -1,12 +1,32 @@
-# Welcome to Firefly III on Github!
+# Support [![Average time to resolve an issue](http://isitmaintained.com/badge/resolution/firefly-iii/firefly-iii.svg)](http://isitmaintained.com/project/firefly-iii/firefly-iii "Average time to resolve an issue")
 
 :+1::tada: Thank you for taking the time to contribute something to Firefly III!
 
-## Bugs
+## Reporting an issue
 
-First of all: thank you for reporting a bug instead of ditching the tool altogether. If you find a bug, please take the time and see if the [demo site](https://demo.firefly-iii.org/) is also suffering from this bug. Include as many log files and details as you think are necessary. Bugs have a lot of priority! 
+First of all: thank you for reporting a bug instead of ditching the tool altogether. Bugs have a lot of priority! 
 
-## Installation problems
+1. Open bugs will have open issues, so search for one first.
+2. If your feature request is already there, vote on it with :+1: or :+1: reactions.
+3. Do NOT hijack old issues with the bug you found, open your own issue.
+4. If relevant, take the time and see if the [demo site](https://demo.firefly-iii.org/) is also suffering from your issue.
+5. If relevant, read the [documentation](https://docs.firefly-iii.org/).
 
-Please take the time to read the [documentation](https://docs.firefly-iii.org/) and make sure you search through closed issues for the problems other people
+Please follow these guidelines when opening new issues:
- have had. Your problem may be among them! If not, open an issue and I will help where I can.
+
+## Writing good issues
+
+- File a single issue for a single problem or feature requests. Feel free to open multiple issues.
+- Collect as many details as you can.
+- Be clear and specific, and state what you're not sure about.
+
+Only then [create a new issue](https://github.com/firefly-iii/firefly-iii/issues/new/choose)!
+
+## Issue closure and abandonment policy
+
+- Issues can be converted into discussions if it's not a bug or feature request.
+- Features that won't be implemented will be labelled "wontfix". [This isn't personal](https://docs.firefly-iii.org/firefly-iii/support/features/#ideas-that-wont-be-implemented).
+- Issues can be closed if they're duplicates of other issues.
+- Issues can be closed if the answer is in the FAQ.
+- Issues will be closed automatically after 14 days.
+- Issues will be locked automatically after 90 days.