Creates a new link post and assigns a flair to it.
In the NuGet Package Manager console:
Install-Package Reddit
using Reddit;
...
var reddit = new RedditAPI("YourRedditAppID", "YourBotUserRefreshToken");
reddit.Subreddit("MySub").LinkPost("Reddit.NET", "https://www.nuget.org/packages/Reddit").Submit().SetFlair("NuGet Package");