Octokit.dll Как загрузить/удалить файл в свою репозиторию на GitHub

using System;
using System.Diagnostics;
using System.IO;
using Octokit;

    public static async System.Threading.Tasks.Task UploadAsync()
    {
var client = new GitHubClient(new ProductHeaderValue("GitHub"));
var basicAuth = new Credentials("name", "password");
client.Credentials = basicAuth;
var tokenAuth = new Credentials("token ");
client.Credentials = tokenAuth;

using (var archiveContents = File.OpenRead(System.Windows.Forms.Application.StartupPath + "/Find.cs"))
{
       var assetUpload = new ReleaseAssetUpload()
       {
            FileName = "Find.cs",
            ContentType = "name/repositories",
            RawData = archiveContents
       ;
       var release = await client.Repository.Release.Get("name", "repositories", 1);
            var asset = await client.Repository.Release.UploadAsset(release, assetUpload);
    }