Add feature request issue template (#304)

.github/ISSUE_TEMPLATE/config.yml

@@ -1,8 +1,5 @@
 blank_issues_enabled: false
 contact_links:
-  - name: Feature Request
-    url:  https://issues.newrelic.com
-    about: We welcome feature requests from our open-source community through the New Relic Issue Tracker.
   - name: Troubleshooting
     url:  https://github.com/newrelic/infra-integrations-sdk/blob/master/README.md#support
     about: Check out the README for troubleshooting directions

.github/ISSUE_TEMPLATE/feature-request.md

@@ -0,0 +1,31 @@
+---
+name: Feature Request
+about: Suggest an idea for this project
+title: ''
+labels: 'feature request'
+assignees: ''
+priority: ''
+---
+### Description
+_A clear and concise description of the feature you want or need_
+
+### Acceptance Criteria
+_What tasks need to be accomplished to achieve the goal?_
+
+### Describe Alternatives
+_A clear and concise description of any alternative solutions or features you've considered_
+_Are there examples you could link us to?_
+
+### Dependencies
+_Do any other teams or parts of the New Relic product need to be considered?_
+_Some common areas: UI, collector, documentation_
+
+### Additional context
+_What else should we know about this story that might not fit into the other categories?_
+
+### Estimates
+_Please provide initial t-shirt size. S = 1-3 days,  M = 3-5 days (1 week), L = 1-2 weeks (1 sprint)_
+
+## For Maintainers Only or Hero Triaging this bug
+*Suggested Priority (P1,P2,P3,P4,P5):*
+*Suggested T-Shirt size (S, M, L, XL, Unknown):*