Merge branch 'master' of https://github.com/OHIF/Viewers into feature/i18n-basics

# Conflicts:
#	extensions/ohif-vtk-extension/package.json
#	extensions/ohif-vtk-extension/rollup.config.js
#	extensions/ohif-vtk-extension/yarn.lock
#	package.json
#	src/App.js
#	src/components/Header/Header.js
#	yarn.lock

yarn.lock

@@ -1042,8 +1042,16 @@
     classnames "^2.2.6"
     react-vtkjs-viewport "^0.0.7"
 
+"@ohif/i18n@0.0.1-rc-001":
+  version "0.0.1-rc-001"
+  resolved "https://registry.yarnpkg.com/@ohif/i18n/-/i18n-0.0.1-rc-001.tgz#47286daa1411efb5f0219f0310484c8919bfe607"
+  integrity sha512-CJ9wqd15DpJ6adVMyXkyqQqcRZgSnMWJ7L3WyUpMqf66CvAFKzCUuckyiFeCupIq8ZGv7w4jaADSYKrLcpviUw==
+  dependencies:
+    "@babel/runtime" "^7.2.0"
+    classnames "^2.2.6"
+
 "@ohif/i18n@file:.yalc/@ohif/i18n":
-  version "0.0.2-4597feaf"
+  version "0.0.2-a44efe70"
   dependencies:
     "@babel/runtime" "^7.2.0"
     classnames "^2.2.6"
@@ -11788,13 +11796,13 @@ react-transition-group@^2.0.0, react-transition-group@^2.2.0:
     prop-types "^15.6.2"
     react-lifecycles-compat "^3.0.4"
 
-react-viewerbase@0.7.0:
-  version "0.7.0"
-  resolved "https://registry.yarnpkg.com/react-viewerbase/-/react-viewerbase-0.7.0.tgz#b0f48a0f003b849c280b8ca67927d4780c68b0dc"
-  integrity sha512-1VQXREKSsqxtOSSHRou0gjBODrSOjE8SBJ6/dHG0gPgdmeotOg68xPMKYf9K7fYyGZ6CDA7oVCAmdTE4SVYP5Q==
+"react-viewerbase@file:.yalc/react-viewerbase":
+  version "0.2.17-bffd4836"
   dependencies:
     "@babel/runtime" "7.2.0"
+    "@ohif/i18n" "0.0.1-rc-001"
     classnames "2.2.6"
+    i18next "^17.0.3"
     lodash.isequal "4.5.0"
     moment "2.24.0"
     prop-types "15.6.2"
@@ -11802,6 +11810,7 @@ react-viewerbase@0.7.0:
     react-dates "18.4.1"
     react-dnd "7.0.2"
     react-dnd-html5-backend "7.0.2"
+    react-i18next "^10.11.0"
     react-with-direction "1.3.0"
 
 react-vtkjs-viewport@^0.0.7: