Introduced purpose-specific GitHub issue templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,34 @@
+---
+name: :bug: Bug Report
+about: Report a reproducible bug in the current release of NetBox
+---
+
+<!--
+    NOTE: This form is only for reproducible bugs. If you need assistance with
+    NetBox installation, or if you have a general question, DO NOT open an
+    issue. Instead, post to our mailing list:
+
+        https://groups.google.com/forum/#!forum/netbox-discuss
+
+    Please describe the environment in which you are running NetBox. Be sure
+    that you are running an unmodified instance of the latest stable release
+    before submitting a bug report.
+-->
+### Environment
+* Python version:  <!-- Example: 3.5.4 -->
+* NetBox version:  <!-- Example: 2.3.6 -->
+
+<!--
+    Describe in detail the steps that someone else can take to reproduce this
+    bug using the current stable release of NetBox (or the current beta release
+    where applicable).
+-->
+### Steps to Reproduce
+
+
+<!-- What did you expect to happen? -->
+### Expected Behavior
+
+
+<!-- What happened instead? -->
+### Observed Behavior