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/viewer/src/routes/WorkList/WorkList.jsx

@@ -352,7 +352,7 @@ function WorkList({
                   className={classnames('font-bold', { 'ml-2': !isFirst })}
                   onClick={() => {}}
                 >
-                  {mode.displayName}
+                  {t(`Modes:${mode.displayName}`)}
                 </Button>
               </Link>
             );