Init 3rd-party-optimizer plugin

[kurtextrem]

Description

This pull request introduces the 3rd-party-optimizer plugin.

I've introduced a VITE_CONFIG_PATH env var which plugins can set if they need to extend the global vite config in this repo. I use it to compile the yieldGTMCalls script with esbuild so the import becomes an inline import. It must be processed so that it becomes minified / JS, so e.g. ?raw can't be used.

I updated yarn as well, because it's just a minor bump. The rest comes from running yarn dedupe. Interestingly, this lead to new TS type & eslint errors, where e.g. await framer.closePlugin started erroring.

Testing

• Open the plugin, click the button: It should add the snippet
• Open the plugin again, the button should show "Remove": Clicking it should remove the snippet.
• Add the snippet, disable the snippet from the settings: The plugin should tell you it's disabled and let you know how to enable it again.

[alecmev]

Nice! Thanks for the patience! 🙏😌