Merge pull request #14 from moonbitlang/tweaks

tweaks and claim it is experimental

README.md

@@ -1,6 +1,10 @@
 # moonbitlang/core
 
-moonbitlang/core is the standard library of the MoonBit language. It is released alongside the compiler. You can view the documentation for the latest official release at <https://mooncakes.io/docs/#/moonbitlang/core/>. This repository serves as the development repository.
+moonbitlang/core is the standard library of the [MoonBit language](moonbitlang.com). It is released alongside the compiler. You can view the documentation for the latest official release at <https://mooncakes.io/docs/#/moonbitlang/core/>. This repository serves as the development repository.
+
+## Current status
+
+It is experimental and under active development. The API is subject to change.
 
 ## Contributing
 We are actively developing moonbitlang/core and appreciate your help!