feat(algebra/module/localized_module): add characteristic predicate for `localized_module` (#15507)
feat(algebra/module/localized_module): add characteristic predicate for `localized_module` (#15507)

Add characteristic predicate for localised module similar to ring localization and prove that the concrete construction  satisfies the characteristic predicate.

Co-authored-by: 75bd6245fe20159d17407ab5f351538a72c8350a@erdOne 





leanprover-community/mathlib,leanprover-community/mathlib