Add issue reporting template

.github/issue_template.md

@@ -0,0 +1,37 @@
+<!--
+Thanks for reporting issues to vagrant-libvirt. To make it possible for us to help you, please fill out below information carefully.
+
+Please be aware that we are not actively testing with previous versions of both Vagrant and Vagrant-libvirt, so before reporting an issue, please install the latest Vagrant version from Vagrantup.com and run `vagrant plugin update`
+--> 
+### Steps to reproduce
+1.
+2.
+3.
+
+### Expected behaviour
+Tell us what should happen
+
+### Actual behaviour
+Tell us what happens instead
+
+### System configuration
+**OS/Distro version:**:
+
+**Libvirt version:**
+
+**Output of `vagrant version; vagrant plugin list`:**
+
+**Output of `VAGRANT_LOG=debug vagrant ... --provider=libvirt`**
+
+```
+Replace ... with whatever command you use to trigger the issue
+```
+
+**The Vagrantfile used to reproduce:**
+
+```
+Insert Vagrantfile here (remove sensitive data if needed)
+```
+
+**Are you using upstream vagrant package or your distros package?**
+