Add issue templates

Summary: Pull Request resolved: https://github.com/facebook/flipper/pull/418

Reviewed By: danielbuechele

Differential Revision: D15120797

Pulled By: passy

fbshipit-source-id: 196aafe8f228a52bd20dc492c3754675259f389a

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,29 @@
+---
+name: "🐛 Bug Report"
+about: You want to report a reproducible bug or regression in Flipper.
+title: ''
+labels: 'Type: Bug Report'
+
+---
+
+## 🐛 Bug Report
+<!--
+  A clear and concise description of what the bug is.
+  Include screenshots if needed.
+-->
+
+## To Reproduce
+<!--
+  Steps to reproduce the behavior.
+-->
+
+## Expected Behavior
+<!--
+  A clear and concise description of what you expected to happen.
+-->
+
+## Environment
+<!--
+  Tell us about your Android/iOS Version, Flipper Desktop version,
+  package information and your operating system if relevant.
+-->