scalability improvements

Oqtane.Client/Services/Interfaces/ISiteService.cs

@@ -46,6 +46,14 @@ namespace Oqtane.Services
         /// <returns></returns>
         Task DeleteSiteAsync(int siteId);
 
+        /// <summary>
+        /// Returns a list of modules
+        /// </summary>
+        /// <param name="siteId"></param>
+        /// <param name="pageId"></param>
+        /// <returns></returns>
+        Task<List<Module>> GetModulesAsync(int siteId, int pageId);
+
         [PrivateApi]
         [Obsolete("This method is deprecated.", false)]
         void SetAlias(Alias alias);

Oqtane.Client/Services/SiteService.cs

@@ -41,6 +41,11 @@ namespace Oqtane.Services
             await DeleteAsync($"{Apiurl}/{siteId}");
         }
 
+        public async Task<List<Module>> GetModulesAsync(int siteId, int pageId)
+        {
+            return await GetJsonAsync<List<Module>>($"{Apiurl}/modules/{siteId}/{pageId}");
+        }
+
         [Obsolete("This method is deprecated.", false)]
         public void SetAlias(Alias alias)
         {