[SE-4028] Enforces strict line length rule on markdown linting

Description

This pull request enables the line-length check in the linter, in addition the uniform indentation in lists and uniform identifier for unsorted lists.

This pull request also adds a git blame ignore revisions file which would be used in order to salvage the destroyed history.

Supporting information

Although this pull request destroys the history, this is an issue that other code formatters or linters have hinted on, such as Black in their README - Migrating your code without ruining git blame.

Other information

This change is currently being discussed in a forum discussion in order to identify whether we should move forward with it, or not.