Create ISSUE_TEMPLATE (hypermodeinc#834)

.github/ISSUE_TEMPLATE

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+<!-- Please answer these questions before submitting your issue. Thanks! -->
+
+### What version of Go are you using (`go version`)?
+
+<pre>
+$ go version
+
+</pre>
+
+### What version of Badger are you using?
+
+
+### Does this issue reproduce with the latest master?
+
+
+### What are the hardware specifications of the machine (RAM, OS, Disk)?
+
+
+### What did you do?
+
+<!--
+If possible, provide a recipe for reproducing the error. A complete runnable program is good.
+-->
+
+
+
+### What did you expect to see?
+
+
+
+### What did you see instead?