Update changelog

CHANGELOG.md

 
 ### [Unreleased][unreleased]
 
+#### Fixed
+- [#492]: Loading extensions crashes kotlin application
+- [#508]: Not create extensions.idx if no extensions exist
+ 
+#### Changed
+- Make ServiceProviderExtensionFinder optional in demo (commented code)
+
+#### Added
+- Add support for reading plugin descriptor from zip
+- Use logger instead of System.out.println for demo
+
+#### Removed
+
+### [3.7.0] - 2022-06-28
+
 #### Fixed
 - [#435]: Fix the path separator used in the SingletonExtensionFactoryTest.java
 - [#451]: Fix Dependency version check fails even if required is '*'
 
 #### Removed
 
-[unreleased]: https://github.com/decebals/pf4j/compare/release-3.6.0...HEAD
+[unreleased]: https://github.com/decebals/pf4j/compare/release-3.7.0...HEAD
+[3.7.0]: https://github.com/decebals/pf4j/compare/release-3.6.0...release-3.7.0
 [3.6.0]: https://github.com/decebals/pf4j/compare/release-3.5.0...release-3.6.0
 [3.5.0]: https://github.com/decebals/pf4j/compare/release-3.4.1...release-3.5.0
 [3.4.1]: https://github.com/decebals/pf4j/compare/release-3.4.0...release-3.4.1
 [0.11.0]: https://github.com/decebals/pf4j/compare/release-0.10.0...release-0.11.0
 [0.10.0]: https://github.com/decebals/pf4j/compare/release-0.9.0...release-0.10.0
 
+[#508]: https://github.com/pf4j/pf4j/issues/508
+[#492]: https://github.com/pf4j/pf4j/issues/492
 [#490]: https://github.com/pf4j/pf4j/pull/490
 [#455]: https://github.com/pf4j/pf4j/pull/455
 [#451]: https://github.com/pf4j/pf4j/pull/451