Update and rename issue_template.md to ISSUE_TEMPLATE.md

simplifying issues template

ISSUE_TEMPLATE.md

@@ -0,0 +1,27 @@
+> **Description**: What problem are we solving?
+
+> **Evidence**: What does the experience look like today? What are the symptoms?
+
+Relevant url:
+Screenshot (if possible):
+
+> **Expectation**: What should by happening? What will it look like / how will it behave?
+
+> **Details**:
+- What page(s) are impacted? e.g. `https://openlibrary.org/...`
+- Logged in (Y/N)?
+- Browser type/version?
+- Operating system?
+
+> **Proposal**: What is the proposed solution / implementation? Is there a precedent of this approach succeeding elsewhere?
+
+> **Constraints**: Which suggestions or requirements should be considered for how feature needs to appear or be implemented?
+
+> **Priority**: What evidence do you have this feature or bug is important to this audience? 
+> What can't we do because this bug exists or this feature doesn't  exist?
+> What must we do instead because this feature doesn't exist?
+> How many users will be (or are) impacted?
+> What is the value to us and/or to each user impacted?
+> How much time/money can be earned/saved?
+
+> **Stakeholders**: @ tag stakeholders of this bug / feature