Updating README

README.md

@@ -3,15 +3,40 @@ GeoTimeZone
 
 Provides an IANA time zone identifier from latitude and longitude coordinates.
 
+## Installation
+
 ```powershell
 PM> Install-Package GeoTimeZone
 ```
 
-Example:
+## Supported Environments
+
+As of version 2.0, The Nuget package targets `netstandard1.0` and `portable40-net40+sl5+win8+wp8`.
+This provides support for the most environments, including:
+ - .NET Core (Windows, Mac, Linux, etc.)
+ - .NET Framework 4.0+
+ - Windows 8, 8.1, 10, WinRT, UWP, etc.
+ - Xamarian for iOS / Android
+ - Windows Phone 8+
+ - Silverlight 5
+
+## Example Usage
 
 ```csharp
 string tz = TimeZoneLookup.GetTimeZone(50.4372, -3.5559).Result;  // "Europe/London"
 ```
 
+## Usage Notes
+
+This library uses the time zone border definitions from the [Timezone Boundary Builder][1] project,
+which in-turn derive from [Open Street Map][2].  As some international borders are the subject of dispute,
+the results may or may not align with your worldview.  Use at your own risk.
+
+## License
+
+This library is provided free of charge, under the terms of the [MIT license][3].
+
 
-Note: this uses the public domain time zone border map data from http://efele.net/maps/tz/world/ which may or may not align with your worldview.  Use at your own risk.
+[1]: https://github.com/evansiroky/timezone-boundary-builder
+[2]: https://www.openstreetmap.org/
+[3]: https://raw.githubusercontent.com/mj1856/GeoTimeZone/master/LICENSE