chore(release): publish [skip ci]

- @ohif/extension-vtk@1.1.6
 - @ohif/core@2.2.1
 - @ohif/viewer@3.2.1

platform/core/CHANGELOG.md

@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [2.2.1](https://github.com/OHIF/Viewers/compare/@ohif/core@2.2.0...@ohif/core@2.2.1) (2019-12-18)
+
+**Note:** Version bump only for package @ohif/core
+
+
+
+
+
 # [2.2.0](https://github.com/OHIF/Viewers/compare/@ohif/core@2.1.1...@ohif/core@2.2.0) (2019-12-16)
 
 

platform/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/core",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "Generic business logic for web-based medical imaging applications",
   "author": "OHIF Core Team",
   "license": "MIT",