Add useful links in Rust client's metadata
Client: Rust
Patch: Dirkjan Ochtman

This closes #2291
diff --git a/lib/rs/Cargo.toml b/lib/rs/Cargo.toml
index 182cd8d..4f2b4c8 100644
--- a/lib/rs/Cargo.toml
+++ b/lib/rs/Cargo.toml
@@ -6,7 +6,8 @@
 license = "Apache-2.0"
 authors = ["Apache Thrift Developers <dev@thrift.apache.org>"]
 homepage = "http://thrift.apache.org"
-documentation = "https://thrift.apache.org"
+documentation = "https://docs.rs/thrift"
+repository = "https://github.com/apache/thrift/tree/master/lib/rs"
 readme = "README.md"
 exclude = ["Makefile*", "test/**", "*.iml"]
 keywords = ["thrift"]