Implement testing system that uses build folder

[Beaness]

NOTICE

I dedicate any and all copyright interest in this software to the public domain. I make this dedication for the benefit of the public at large and to the detriment of my heirs and successors. I intend this dedication to be an overt act of relinquishment in perpetuity of all present and future rights to this software under copyright law.

• I made sure there are no unnecessary changes in the code*
• Tested on Chromium- Browser OS (the test system uses puppeteer so its chromium by default)

This pull request adds the first version of a simple testing system for FastForward.
The following things still have to be finished before merging this pull request:

• Change universal-bypass firstrun url to fastforward once its changed in the main script
• Start filling the bypasses.json with more testing links.

[github-actions]

Download the artifacts for this pull request:

• FastForward_chromium.zip
• FastForward_firefox.zip

[NotAProton]

Thanks!