Create default_template.md (#71)

Proposed default template for new issues

Author: Chris-Schnaufer

.github/ISSUE_TEMPLATE/default_template.md

@@ -0,0 +1,20 @@
+*Fill out this issue by completing the items below. Not every item may be relevent to you, so feel free to make changes*
+
+#### The tutorial or vignette name
+Name:
+
+#### The current behavior or issue
+Description:
+
+#### The steps taken to reproduce the behavior or issue, or specify a location where the steps were recorded
+To reproduce:
+
+#### Describe the desired behavior or desired outcome
+Goal:
+
+#### Add other supporting information that may be useful
+Versions, OS information, other:
+
+#### Completion criteria
+This is done when:
+- [] (replace this text)