vfs-clgit: Virtual FileSystem abstractions via Command Line GIT

Currently this just bridges vfs and git via clgit. Alternate VFS abstractions may be added in the future.

Crate uses #![forbid(unsafe_code)]. However, indirect dependencies do contain some unsafe - including, but perhaps not limited to:

Currently 1.32.0...ish.

• vfs 0.4.0 has a MSRV of 1.32.0. However, it has no clear policy for when MSRV can be bumped.
• Unpinned dependencies may break this

Licensed under either of

• Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.