add issue template

.github/ISSUE_TEMPLATE/bug-report.md

@@ -0,0 +1,42 @@
+---
+name: Bug Report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+## Description
+<!-- 
+If this is a regression, please mention which version was working previously.
+-->
+
+## System Info
+**Linux Distribution**: 
+
+**Desktop Environment**: 
+
+<!-- Paste output of `uname -r` -->
+**Kernel version**: 
+
+**VR Runtime**:
+- [ ] Monado/WiVRn
+- [ ] SteamVR/ALVR
+
+<!-- Run `vulkaninfo --summary` and paste the devices section from the bottom. -->
+**GPU models and driver versions**: 
+
+## Overlay Logs
+
+<!-- Start the overlay once more with the following environment variables:
+  RUST_BACKTRACE=full
+  RUST_LOG=debug
+If your issue is graphical or crash or freeze, also add:
+  VK_INSTANCE_LAYERS=VK_LAYER_KHRONOS_validation
+
+Be sure to go and reproduce the issue once more, after these have been set.
+
+Upload the log file from: /tmp/wlx.log
+-->
+