Merge #623: README.md: update examples link

aa33bd4 README.md:update examples link (@RandyMcMillan)

Pull request description:

ACKs for top commit:
  tcharding:
    ACK aa33bd4
  apoelstra:
    ACK aa33bd4

Tree-SHA512: 4eb0f01ec6b637aa71653a057bd4c4ac267ff88d70e8e1444e12d860745d1b994f7edacaaac40163f01736235451b107954cbffb417be2eb4896223fafe680fe

Author: apoelstra

README.md

@@ -31,7 +31,7 @@ coins in a given Bitcoin transaction
 `"no-std"`. See `embedded/` for an example.
 
 More information can be found in [the documentation](https://docs.rs/miniscript)
-or in [the `examples/` directory](https://github.com/apoelstra/rust-miniscript/tree/master/examples)
+or in [the `examples/` directory](https://github.com/rust-bitcoin/rust-miniscript/tree/master/examples)
 
 ## Building