Add template for compatibility issues

ISSUE_TEMPLATE/compatibility_template.md

@@ -0,0 +1,35 @@
+# Compatibility Report
+- Name of the game with compatibility issues:
+- Steam AppID of the game: 
+
+## System Information
+- Driver-/(LLVM-)/kernel- version/GPU: <!-- e.g. Mesa 18.2/7.0.0/4.17/RX 580 -->
+- Link to full system information report as [Gist](https://gist.github.com/):
+- Proton version:
+
+## I confirm:
+- [ ] that I haven't found an existing compatibility report for this game.
+- [ ] that I have checked whether there are updates for my system available.
+
+<!-- Please add `PROTON_LOG=1 %command%` to the game's launch options and drag
+and drop the generated `$HOME/steam-$APPID.log` into this issue report -->
+
+## Symptoms <!-- What's the problem? -->
+
+
+## Reproduction
+
+
+<!--
+1. You can find the Steam AppID in the URL of the shop page of the game.
+   e.g. for `The Witcher 3: Wild Hunt` the AppID is `292030`.
+2. You can find your driver and Linux version, as well as your graphics
+   processor's name in the system information report of Steam.
+3. You can retrieve a full system information report by clicking
+   `Help` > `System Information` in the Steam client on your machine.
+4. Please copy it to your clipboard by pressing `Ctrl+A` and then `Ctrl+C`.
+   Then paste it in a [Gist](https://gist.github.com/) and post the link in
+   this issue to prevent chaos by too much info in one place.
+5. Please search for open issues and pull requests by the name of the game and
+   find out whether they are relevant and should be referenced above.
+-->