Add Depth-Anything model (#10)

* Add Depth-Anything model

examples/depth-anything/README.md

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+## Quick Start
+
+```shell
+cargo run -r --example depth-anything
+```
+
+## ONNX Model
+
+- [depth-anything-s-dyn](https://github.com/jamjamjon/assets/releases/download/v0.0.1/depth-anything-s-dyn.onnx)  
+- [depth-anything-b-dyn](https://github.com/jamjamjon/assets/releases/download/v0.0.1/depth-anything-b-dyn.onnx)
+- [depth-anything-l-dyn](https://github.com/jamjamjon/assets/releases/download/v0.0.1/depth-anything-l-dyn.onnx)
+
+
+## Results
+
+![](./demo.png)

examples/depth-anything/main.rs

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+use usls::{models::DepthAnything, Annotator, DataLoader, Options};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // visual
+    let options = Options::default()
+        .with_model("../models/depth-anything-s-dyn.onnx")
+        .with_i00((1, 1, 8).into())
+        .with_i02((384, 512, 1024).into())
+        .with_i03((384, 512, 1024).into());
+    let model = DepthAnything::new(&options)?;
+
+    // load
+    let x = vec![DataLoader::try_read("./assets/2.jpg")?];
+
+    // run
+    let y = model.run(&x)?;
+
+    // annotate
+    let annotator = Annotator::default().with_saveout("Depth-Anything");
+    annotator.annotate(&x, &y);
+
+    Ok(())
+}