Changelog and readme changes

Author: konraddysput

CHANGELOG.md

@@ -0,0 +1,15 @@
+# Backtrace Unity Release Notes
+
+## Version 1.1.0 - 06.03.2019
+
+- Support for multiple types of Attribute types - string, char, enum, int, float, double....
+- Support for submit.backtrace.io
+- If you send exception, `BacktraceReport` will generate stack trace based on exception stack trace. We will no longer include environment stack trace in exception reports,
+- `BacktraceDatabase` fix for `FirstOrDefault` invalid read,
+- Fixed duplicated global exception handler,
+- Fixed typo in debug Attribute,
+- Fixed stack trace in `BacktraceUnhandledException` object,
+
+## Version 1.0.0 - 21.11.2018
+
+First Backtrace-Unity plugin version