add new template for eng tasks

.github/ISSUE_TEMPLATE/engineering-task.md

@@ -0,0 +1,47 @@
+---
+name: Vagrant Engineering
+about: For Vagrant Engineers to track tasks. 
+---
+
+<!--
+This template is intended for the Vagrant Engineering team to track tasks. 
+
+Use the Bug Report issue template to request help when Vagrant is not working as expected and the feature request to suggest an enhancement. 
+-->
+
+## Description 
+Should be 2 - 3 sentences that define the solution or changes. 
+
+## Use case (optional) 
+How will this affect the end user? 
+
+## Supporting material 
+Add links to related issues or supporting documentation. 
+
+### Estimated task complexity time-frame (does not guarantee a delivery date)
+[] 1 day
+[] 1 week
+[] 2-3 weeks
+
+If a task takes longer than 3 weeks, either consider if you can break it down into smaller pieces of work or update the issue with a new estimated time-frame with a summary checklist of tasks. 
+
+### Estimated user impact
+Critical: fixes a bug, relieves a common pain point
+Major: addresses a frequent request
+Minor: trivial inconveniences that have robust workarounds 
+
+<!--
+To complete this issue: 
+
+* add labels
+* add a reviewer 
+* select a milestone 
+
+Your milestone selection will be considered a suggestion for the team to review during backlog grooming.
+
+Additional labels to consider: 
+
+Select a task size label based on the estimated completion time and description (task-small, task-medium, task-large).
+
+If the estimated user impact is marked as critical, also add a critical label (list labels here).
+-->