Feat: upgrade asset system (#283)

* key system upgraded in manta-accounting
* it compiles
* fmt and sort
* clippy issues
* final touches
* fmt
* build documentation fix
* documentation
* changelog
* asset is compatible with transfer now
* wallet compiles
* everything compiles
* documentation fixed
* key system upgraded to bip0039
* clippy
* clippy issue fixed
* AccountCollection exposure from Account and Accounttable
* fixed bug note encryption
* chore: fix input impl
* chore: simplify reading

Signed-off-by: Francisco Hernandez Iglesias <f.hernandeziglesias@outlook.com>
Signed-off-by: Brandon H. Gomes <bhgomes@pm.me>
Co-authored-by: Brandon H. Gomes <bhgomes@pm.me>

CHANGELOG.md

@@ -7,6 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Added
 
 ### Changed
+- [\#283](https://github.com/Manta-Network/manta-rs/pull/283) Upgrade asset system.
 - [\#284](https://github.com/Manta-Network/manta-rs/pull/284) Moved `R1CS` implementation to `manta-crypto` 
 - [\#282](https://github.com/Manta-Network/manta-rs/pull/282) Upgrade key system.