Add github issue template

Author: HazAT

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,33 @@
+_Platform:_
+- [ ]  iOS
+- [ ]  Android
+
+Output of `npm ls --prod --depth=0`
+
+```
+<!-- Replace this -->
+```
+
+Config:
+
+```
+Sentry.config('https://[email protected]/...', {
+....
+}).install()
+```
+
+
+
+---
+I have following issue:
+
+Description goes here ...
+
+**Steps to reproduce:**
+- Step
+
+**Actual result:**
+- Actual
+
+**Expected result:**
+- Result