* Create a dependency injection trait named Locker that can be implemented downstream to enable locking of an asset. Use case defined in RMRK substrate pallet PR76
* Formatting
* Change impl Locker function name to is_locked
* Remove unused import
* Add docstring header
* Remove impl_locker file and add Locker trait to frame_support::traits
* Expose Locker from frame_support::traits::misc
* Formatting
* Move to tokens folder
* Move to tokens folder
* Format and remove Locker from misc traits
* Punctuation
* Update frame/support/src/traits/tokens/misc.rs
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Giles Cope <gilescope@gmail.com>