Filter also by url path, not just subdomains

[allhavebrainimplantsandmore]

Prerequisites

• [ X] I performed a cursory search of the issue tracker to avoid opening a duplicate issue
  • Your issue may already be reported.
  • [X ] I also searched the existing issues at https://github.com/gorhill/uMatrix/issues
• [ X] This is not a support issue or a question
  • Support issues and questions are handled at /r/uMatrix
• I tried to reproduce the issue when...
  • [X ] uMatrix is the only extension
  • [X ] uMatrix with default lists/settings
  • using a new, unmodified browser profile
• [ X] I am running the latest version of uMatrix
• [ X] I checked the documentation to understand that the issue I report is not a normal behavior
• I used the logger to rule out that the issue is caused by my ruleset

Description

Some website have various services subdivided not just by subdomains, but also by url path (subfolders). And the JS loads differentially for the top domain and the subfolders in path. Current functionality does not allow for this. Is this easy to implement?

A specific URL where the issue occurs

Any website with url path that includes subfolders such as website.com/news

Steps to Reproduce

1. Try setting different filtering rules on website.com and on website.com/news
2. [Second Step]
3. [and so on...]

Ruleset

Supporting evidence

Your environment

• uMatrix version: 1.4.0
• Browser Name and version: Firefox 77
• Operating System and version: Ubuntu 20

[uBlock-user]

Duplicate of #217