chore: checkpoint before Python removal

vendor/kube-derive/README.md

@@ -0,0 +1,19 @@
+# kube-derive
+Add `#[derive(CustomResource)]` to your custom resource struct.
+
+## Installation
+Add the `derive` feature to `kube`:
+
+```toml
+[dependencies]
+kube = { version = "0.99.0", feature = ["derive"] }
+```
+
+## Usage
+See the **[kube-derive API Docs](https://docs.rs/kube-derive/)**
+
+## Examples
+See the `crd_` prefixed [examples](../examples) for more.
+
+## Development
+Help very welcome! Kubebuilder like features, testing improvement, openapi feature. See https://github.com/kube-rs/kube/labels/derive