* Add descriptions to all cargo subprojects

* Add repository field to all cargo subprojects

* Modify GitHub actions to run cargo unleash

* Add license-file field to all cargo subprojects

* Remove pallet-balances/std feature from std feature of schedule-update

* Add version numbers to path dependencies

* Fix compilation errors on all cargo subprojects

* Attempt to force use one version of the compiler

* Put cargo unleash step at the very end

* Fix all test compile errors

* Use drain_prefix instead of drain

* fix tests

Co-authored-by: Bryan Chen <xlchen1291@gmail.com>

* add schedule-update

* schedule-update add convert_vec_to_u8

* fix ci build

* remove sp_state_machine

* change OnReapAccount to OnKilledAccount

* update substrate

* fix tests

* rename to FRAME

* fix test

* Rename paint to palette.

* Fix typo.

* Update comments.

* rename srml to paint

* fix case

* feat: prices module

* fix: add check to avoid dividing by zero

* fix: delete num_traits dependency

* add auction module

* remove redundant traits definition

* add tests

* get reference instead of ownership

* optimized code

* Tokens module: impl MultiCurrencyExtended.

* Minor fixes.

* Tokens module unit tests.

* Remove workspace src directory

* Add example crate.

* fmt

* Update example.

* Minor fixes.

* Remove allow dead code.