Merge pull request #5413 from opentripplanner/issue-template-new-feature

Add Roadmap epic template

.github/ISSUE_TEMPLATE/roadmap_epic.md

@@ -0,0 +1,23 @@
+---
+name: Roadmap Epic
+about: Suggest an idea for the Roadmap
+title: ''
+labels: Roadmap
+assignees: ''
+
+---
+
+### Describe expected behavior:
+- What: <!-- Clearly state what the desired changes or new features could look like. -->
+- Why: <!-- Clearly state the effect/outcome of this change. -->
+- When: <!-- Provide a timeline or timeframe for when these changes should be implemented, preferably on a quarterly basis (e.g., Y24 Q3). -->
+
+### Linked issue(s)
+<!-- Add a checkbox by typing “- [] ”. Then, link to an issue by typing “#” and searching for the issue by text or issue number, or create a new issue.  -->
+
+### OTP PO Discussion meeting details:
+- Date: <!-- Specify the date when the discussion meeting took place. -->
+- Link(s): <!-- Provide a link or location where the discussion notes or details can be found. This could be a meeting link or another document. -->
+
+### Extra Comments (Optional) 
+