update: readme and changelog

Author: yulingtianxia

CHANGELOG.md

@@ -1,3 +1,7 @@
+## [1.0.2] - 2020-05-25
+
+* Support generating Flutter package.
+
 ## [1.0.1] - 2020-05-23.
 
 * Support Objective-C.

README.md

@@ -33,7 +33,7 @@ Generate dart code from native API.
 
 Options:
  -V, --version output the version number
- -l, --language <language> [objc(default), java]
+ -l, --language <language> [objc, java, auto(default)]
  -o, --output <output> Output directory
  -p, --package <package> Generate a shareable Flutter project containing modular Dart code.
  -h, --help display help for command