feat: Added support for i18n (#2439)

* Added translation for various react components in OHIF-v3

* Added a test language for debugging- test-LNG 

* Added copy for test language to not get overwritten

platform/i18n/pullTranslations.sh

@@ -1,6 +1,8 @@
+cp -r src/locales/test-LNG src/temp
 rm -rf src/locales/
 mkdir -p src/locales/
 cd src/locales/
 npx locize --config-path ../../.locize download --ver latest
 cd ../../
 node ./writeLocaleIndexFiles.js
+cp -r src/temp src/locales/test-LNG