add guidelines for bug report and feature request (#1980)

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,14 @@
+---
+name: Bug Report
+about: Report a bug to help us improve
+labels: bug
+---
+
+### Bug Description
+A clear and concise description of the bug.
+
+### Steps to Reproduce
+Steps to reproduce the behavior.
+
+### Expected Behavior
+A clear and concise description of what you expected to happen.

.github/ISSUE_TEMPLATE/config.yml

@@ -1,3 +1,4 @@
+blank_issues_enabled: false
 contact_links:
   - name: Pyro Discussion Forum
     url: https://forum.pyro.ai/

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,11 @@
+---
+name: Feature Request
+about: Suggest an idea or improvement
+labels: enhancement
+---
+
+### Feature Summary
+A clear and concise description of the feature.
+
+### Why is this needed?
+Explain why this feature is important. What problem does it solve?