added comment to tocamelcase regex

framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/wwwroot/libs/abp/aspnetcore-mvc-ui-theme-shared/jquery/jquery-extensions.js

@@ -60,7 +60,10 @@
     };
 
     var toCamelCase = function(str) {
-        var regexs = [/(^[A-Z])/, /((\.)[A-Z])/];
+        var regexs = [
+            /(^[A-Z])/, // first char of string
+            /((\.)[A-Z])/ // first char after a dot (.)
+        ];
 
         regexs.forEach(
             function(regex) {