Add features to existing .NET CHAT app (Max $40)

Hi, I need to download following CHAT application and add below features to the app. [login to view URL] [login to view URL] user image/avatar to the engine and ui [login to view URL] Date/Time message created by the user [login to view URL] messages in MongoDB (NoSQL) from C# [login to view URL] and send and display images on chat screen. (Image size should be standard and stored in image folders) [login to view URL] and send and display videos on chat screen. (Video size should be standard) [login to view URL] and send and display Sounds/Songs on chat screen. [login to view URL] members to chat [login to view URL] message with high priority flag [login to view URL] Smilies/Emojies 10. Create a test case for performance testing of 100 users. The code is using MVC6 and you need Visual Studio 2015. Visual Studio 2015 MVC6 RC1 / Final ASP.NET CORE 1.0, MongoDB (NoSQL) to for data storage SIGNALR 3.0 All codes will belong to our company by North American Laws and copyright should be mention on every page.