[wip] kornia-depth crate with depth anything

[edgarriba]

This pull request introduces a new crate kornia-depth and integrates it into the existing workspace. Additionally, it includes a new example demonstrating the usage of the kornia-depth crate for depth estimation using a webcam.

to reproduce: cargo run --bin depth_anything --release

depth_anything.mp4

New crate addition:

• Added the kornia-depth crate with dependencies and configurations in crates/kornia-depth/Cargo.toml.
• Implemented the DepthAnything struct and its methods for depth estimation in crates/kornia-depth/src/depth_anything.rs.
• Exposed the DepthAnything struct in crates/kornia-depth/src/lib.rs.

Workspace and dependency updates:

• Updated Cargo.toml to include kornia-depth in the workspace members and added the necessary dependencies. [1] [2] [3]
• Modified several example Cargo.toml files to use the workspace version of the ctrlc dependency. [1] [2] [3] [4]

New example:

• Added a new example depth_anything demonstrating the usage of the DepthAnything struct for depth estimation using a webcam in examples/depth_anything/Cargo.toml and examples/depth_anything/src/main.rs. [1] [2]