Adds a toolbar Clean links switch so users can pause and resume link cleaning without disabling the extension. The toolbar badge now shows a green active counter or a red OFF badge when paused, with black badge text for readability. Statistics are preserved while the extension is paused.

Clean Links v2.1.0 - Firefox Support & Tracker Expansion
Highlights
Firefox Support
Clean Links now works on Firefox in addition to Chromium-based browsers.

Verified functionality:
- URL cleaning
- Dynamic link cleaning
- Mutation observer support
- Popup statistics
- Tracker detection and removal
- Expanded Tracker Coverage

Google
Added support for:
- ogbl
- oi
- noiga
- ct
- stick

Yahoo
Added support for:
- fr
- fr2
- mkr
- fp

Amazon
Added support for:
- ref
- ref_
- pf_rd_r
- pf_rd_p
- pd_rd_w
- pd_rd_wg
- pd_rd_r
- pd_rd_i
- content-id
- sbo
- psc

Flipkart
Added support for:
- pid
- lid
- marketplace