fixed coordinates for Orlando in sample, added API documentation link…

…s, and feedback details.

README.md

@@ -11,9 +11,15 @@ using DarkSky;
 ...
 
 var darksky = new DarkSky.Api(YOUR_API_KEY);
-var orlando  = new Position { Latitude=28.5381f, Longitude=81.3794f };
+var orlando  = new Position { Latitude=28.5381f, Longitude=-81.3794f };
 Task<FullForecast> response = darksky.Forecast(orlando);
 
 response.ContinueWith(forecast => DisplayText(forecast.Result.HourSummary));
 // displays something like "Rain starting in 3 Min, Stopping 30 Min Later"
 ```
+
+Currently supported endpoints:
+ - `Forecast`, and `BriefForecast` - https://developer.darkskyapp.com/docs/forecast
+ - `Precipitation` - https://developer.darkskyapp.com/docs/precipitation
+
+Please let me know if you have any feedback either by opening [an issue](https://github.com/joelmartinez/darksky-csharp/issues), [emailing me](mailto:joelmartinez@gmail.com), [commenting on my blog](http://codecube.net), or forking this project and submitting a pull request.