docs: add note on updating to new package

README.md

@@ -6,7 +6,7 @@
 
 [![CI](https://github.com/LuxDL/DeviceUtils.jl/actions/workflows/CI.yml/badge.svg)](https://github.com/LuxDL/DeviceUtils.jl/actions/workflows/CI.yml)
 [![Buildkite](https://badge.buildkite.com/b098d6387b2c69bd0ab684293ff66332047b219e1b8f9bb486.svg?branch=main)](https://buildkite.com/julialang/DeviceUtils-dot-jl)
-[![codecov](https://codecov.io/gh/LuxDL/DeviceUtils.jl/branch/main/graph/badge.svg?token=1ZY0A2NPEM)](https://codecov.io/gh/LuxDL/DeviceUtils.jl)
+[![codecov](https://codecov.io/gh/LuxDL/LuxDeviceUtils.jl/branch/main/graph/badge.svg?token=1ZY0A2NPEM)](https://codecov.io/gh/LuxDL/LuxDeviceUtils.jl)
 [![Aqua QA](https://raw.githubusercontent.com/JuliaTesting/Aqua.jl/master/badge.svg)](https://github.com/JuliaTesting/Aqua.jl)
 
 [![ColPrac: Contributor's Guide on Collaborative Practices for Community Packages](https://img.shields.io/badge/ColPrac-Contributor's%20Guide-blueviolet)](https://github.com/SciML/ColPrac)
@@ -21,3 +21,9 @@ Currently we provide support for the following backends:
 2. `AMDGPU.jl` for AMD ROCM GPUs.
 3. `Metal.jl` for Apple Metal GPUs. **(Experimental)**
 4. `oneAPI.jl` for Intel GPUs. **(Experimental)**
+
+## Updating to v1.0
+
+  * Package was renamed from `LuxDeviceUtils.jl` to `DeviceUtils.jl`.
+  * `Lux(***)Device` has been renamed to `(***)Device`.
+  * `Lux(***)Adaptor` objects have been removed. Use `(***)Device` objects instead.