bumped version to 0.5.1: made ndarray optional again

Cargo.toml

@@ -5,14 +5,14 @@ keywords = ["async", "nvidia", "cuda", "gpu", "npp"]
 readme = "README.md"
 categories = ["asynchronous"]
 edition = "2021"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["Oddity.ai Developers <[email protected]>"]
 repository = "https://github.com/oddity-ai/async-cuda"
 license = "MIT OR Apache-2.0"
 
 [dependencies]
 cpp = "0.5"
-ndarray = { version = "0.15" }
+ndarray = { version = "0.15", optional = true }
 once_cell = "1.17"
 
 [dev-dependencies]

README.md

@@ -21,6 +21,9 @@ synchronization happens when it is necessary (and synchronization itself is also
 On top of common CUDA primitives, this library also includes async wrappers for
 [NVIDIA's NPP library](https://developer.nvidia.com/npp).
 
+The async wrappers for TensorRT have been moved to a separate repository here:
+[`async-tensorrt`](https://github.com/oddity-ai/async-tensorrt).
+
 ## 🛠 S️️tatus
 
 This project is still a work-in-progress, and will contain bugs. Some parts of the API have not