Add an issue template.

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,25 @@
+<!--
+Your issue may already be reported!
+Please search on the issue tracker before creating one. -->
+
+<!-- Also, please fill out some basic environment details as follows.
+Issues may be closed if the required information is not present. -->
+
+[Description of the bug or feature]
+
+### Environment
+
+<!--- Include as many relevant details about the environment you experienced the bug in -->
+
+- Hardware model: <!-- Surface Laptop 3 (AMD), Surface Book 2, etc. -->
+- Kernel version: <!-- output of `uname -a` -->
+- Distribution: <!-- Debian / Arch Linux / etc. -->
+
+<details><summary>`dmesg` output</summary>
+
+```
+please provide a copy of `dmesg` here if possible
+
+```
+
+</details>