Expand readme (flutter#10)

* Fix travis

* Expand readme

Author: mit-mit

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.1.1+2
+
+* Expand readme
+
 ## 0.1.1+1
 
 * Fix documentation link

README.md

@@ -1,3 +1,7 @@
 [![Build Status](https://travis-ci.org/dart-lang/ffi.svg?branch=master)](https://travis-ci.org/dart-lang/ffi)
 
-Utilities for working with Foreign Function Interface (FFI) code
+Utilities for working with Foreign Function Interface (FFI) code, incl.
+converting between Dart strings and C strings encoded with utf8 and utf16.
+
+For additional details about Dart FFI (`dart:ffi`), see
+https://dart.dev/guides/libraries/c-interop.

pubspec.yaml

@@ -1,5 +1,5 @@
 name: ffi
-version: 0.1.1+1
+version: 0.1.1+2
 author: Dart Team <[email protected]>
 homepage: https://github.com/dart-lang/ffi
 description: Utilities for working with Foreign Function Interface (FFI) code.