Moves datasource, manager, platform and versioning code from lib/ into new lib/modules/

BREAKING CHANGE: External tools must update paths to datasource, manager, platform and versioning

* refactor(platform): Simplify comment deletion API

* Fix comment id types

Co-authored-by: Rhys Arkins <rhys@arkins.net>

Co-authored-by: Rhys Arkins <rhys@arkins.net>

* chore(deps): update dependency prettier to v2

* Run prettier-fix

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: Jamie Magee <jamie.magee@gmail.com>

Ref #5555

1. Create interface EnsureCommentConfig
2. Add config to the interface for Bitbucket
3. Refactor functions
4. Update tests

Co-authored-by: Rhys Arkins <rhys@arkins.net>
Co-authored-by: Michael Kriese <michael.kriese@visualon.de>