Added ISSUE_TEMPLATE.md for a better future.

Author: shliama

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,11 @@
+**Do you want to request a *feature* or report a *bug*?**
+
+**What is the current behavior?**
+
+**What is the expected behavior?**
+
+**If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem.**
+
+**Please attach any *image files*, *URL* and `stack trace` that can be used to reproduce the *bug*.**
+
+**Which versions of uCrop, and which Android API versions are affected by this issue? Did this work in previous versions of uCrop?**