* Add storage proof fuzzer

* Correct formatting for storage proof fuzzer

* Update license

* Clean up.

* cargo fmt --all

* Update Cargo.lock

* Fix clippy.

* cargo fmt --all

* Clippy.

* Clippy again.

Co-authored-by: Vincent Ulitzsch <[email protected]>
Co-authored-by: Tomasz Drwięga <[email protected]>