chore: 3.6 release (#245)

* change logs for 3.6.0 release

* moved datafile token and logs revision to features

CHANGELOG.md

@@ -2,6 +2,21 @@
 ## [Unreleased]
 
 
+## 3.6.0
+October 2nd, 2020
+
+### New Features
+- Add support for version audience condition which follows the semantic version (http://semver.org) ([#236](https://github.com/optimizely/csharp-sdk/pull/236), [#242](https://github.com/optimizely/csharp-sdk/pull/242))
+
+- Add support for datafile accessor [#240](https://github.com/optimizely/csharp-sdk/pull/240).
+- `datafileAccessToken` supported from `App.config` ([#237](https://github.com/optimizely/csharp-sdk/pull/237))
+- Audience evaluation logs revised ([#229](https://github.com/optimizely/csharp-sdk/pull/229))
+
+### Bug Fixes:
+- No rollout rule in datafile, should return false when `IsFeatureEnabled` is called. ([#235](https://github.com/optimizely/csharp-sdk/pull/235))
+- `NewDefaultInstance` method of `OptimizelyFactory` class, set ErrorHandler not to  raise exception while handling error ([#241](https://github.com/optimizely/csharp-sdk/pull/241))
+
+
 ## 3.5.0
 July 7th, 2020