There are other types of content, doc update

Problem/Motivation

I tried this module with an entity reference field that points to block content. It appears now that this is not supported when i see this line
https://git.drupalcode.org/project/content_connected/-/blob/2.1.x/src/Co...

Steps to reproduce

Proposed resolution

Please clarify in the module overview page that this only works with node references.

whether content is connected with some other content

to

whether content is connected with some other (node) content

Remaining tasks

User interface changes

API changes

Data model changes