docs: update README to use crates.io dependency and remove stale Hackage note

Author: markovejnovic

README.md

@@ -71,7 +71,7 @@ That's it. Memory is managed automatically via `ForeignPtr`, and complex types l
 crate-type = ["lib", "staticlib"]
 
 [dependencies]
-hsrs = { git = "https://github.com/harmont-dev/hsrs" }
+hsrs = "0.1"
 ```
 
 **Haskell side** — add the `hsrs` runtime package:
@@ -83,12 +83,6 @@ build-depends:
 
 This pulls in Borsh serialization automatically — no extra dependencies needed.
 
-> Until published on Hackage, add as a local package in your `cabal.project`:
-> ```
-> packages: .
->           /path/to/hsrs/hsrs-haskell
-> ```
-
 ## What you can annotate
 
 | Annotation | What it does | Haskell result |