Squashed 'libs/libzmq/' content from commit 2b2fb9c7

git-subtree-dir: libs/libzmq
git-subtree-split: 2b2fb9c7082dbc16c1323b97040a4edcfa2b997b

.github/issue_template.md

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+*Please use this template for reporting suspected bugs or requests for help.*
+
+# Issue description
+
+
+
+# Environment
+
+* libzmq version (commit hash if unreleased): 
+* OS: 
+
+# Minimal test code / Steps to reproduce the issue
+
+1.  
+
+
+# What's the actual result? (include assertion message & call stack if applicable)
+
+
+
+# What's the expected result?
+