Update issue templates

.github/ISSUE_TEMPLATE/something-isn-t-working.md

@@ -0,0 +1,21 @@
+---
+name: Something isn't working
+about: Use this template if you can't get the script to work
+title: ''
+labels: ''
+assignees: hertg
+
+---
+
+If you are having issues installing or running `egpu-switcher`, make sure to read through the [TROUBLESHOOT](https://github.com/hertg/egpu-switcher/blob/master/TROUBLESHOOT.md) markdown file, and try to resolve the problem yourself.
+
+If your issue isn't mentioned, or it can't be resolved based on the [Troubleshoot Guide](https://github.com/hertg/egpu-switcher/blob/master/TROUBLESHOOT.md), please describe your issue as detailed as possible, mention what steps you tried to resolve the issue and leave some information about your system.
+
+ie.
+- Did you install `egpu-switcher` via ppa or via git + make
+- What Linux distribution (+ version) are you using
+- What brand / model is your laptop
+- What brand / model is your GPU (+ enclosure)
+- What drivers (+ version) are you using
+- What Desktop-Environment do you use (+ Display-Manager)
+- If you are not using a Desktop-Environment, what Window-Manager do you use?