Popup Style Rework

Full Changelog: v1.2.0...v1.2.1

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Full Changelog: v1.1.2...v1.2.0

Enhanced Firefox Support
8ace8bd fix: create separate manifest for firefox

Popup Menu & Customization
c14bbf3 perf: merge regular expressions into 1 replace call
14c5051 feat: add popup to allow user configuration

Minor bugfixes
6897cf6 fix: add preventDefault to ensure the clipboard get the converted url

First release of the extension.