Update documentation

Added reference to i18n/ l10n to the end of this documentation as per the conversation in the json-schema-form/angular-schema-form#865

Author: dev-arrow

docs/index.md

@@ -1693,3 +1693,6 @@ function FormCtrl($scope) {
 ```
 
 Note that arrays inside arrays won't work with conditional.
+
+#### i18n/ l10n
+While the library does not specifically address i18n/l10n (Internationalization/ Localization) it is certainly possible as <a href="https://plnkr.co/edit/WKduZL0Xe2lmkV9N5mk8?p=preview">this plunker</a> demonstrates.