Create roadmap-item.md (#61)

* Create roadmap-item.md

The context of the roadmap item can be read here: o3de/sig-release#79.

Signed-off-by: Vincent <vincentbiasa6767@gmail.com>

* Add needs-triage and checklist as a reference

1. Add a needs-triage label if the roadmap item needs to be triaged. If it's already triaged, then you can remove it.
2. Add a checklist as a reference so the maintainer what use the suggested format to link respective tasks. 

Signed-off-by: Vincent <vincentbiasa6767@gmail.com>

---------

Signed-off-by: Vincent <vincentbiasa6767@gmail.com>

.github/ISSUE_TEMPLATE/roadmap-item.md

@@ -0,0 +1,33 @@
+---
+name: 'Roadmap Item'
+about: Create roadmap item for this project
+title: Roadmap Item =description=
+labels: kind/roadmap, needs-triage
+assignees: ''
+
+---
+
+# O3DE Roadmap Item Template
+
+### When using this template, you do not have to fill out every question below. The questions are there for guidance.
+
+This roadmap item template should be used for any feature that shows in the O3DE public roadmap. The issue communicates the initiative and vision of the SIG.
+
+# ----- DELETE EVERYTHING FROM THE TOP TO THE SUMMARY LINE BELOW WHEN USING TEMPLATE ----- #
+
+### Summary:
+Single paragraph explanation of the roadmap item
+
+### What is the relevance of this feature?
+- What problems does it solves? 
+- Why is this important? 
+- What will it do once completed?
+- Are there any changes or impacts to other features? 
+
+### Tasks
+What tasks are necessary to complete the roadmap item?
+- [ ] _GitHub issue 1 link_
+- [ ] _GitHub issue 2 link and so on._
+
+### Related Links
+Link to additional informaton such as RFC related to the roadmap item.