v0.14.0-rc12 - back button, new api worker, refactor code

What's Changed

• Ad-skipping has been added
• new api worker
• refactored code to support new base of builder "vite" previous "vue-cli"
• app performance lift
• media playback seeking from the os's progress control
• back button added
• mini player adjustments
• window state is now synced across all parts of components
• adjusted toolbar css
• ... much more under the hood

If you have problems with this release, it is to be expected since much changed to the root but it was inevitable.

Full Changelog: https://github.com/Venipa/ytmdesktop2/compare/v0.12.17...v0.14.0-rc12