FLE Studio 0.3.0

Plugins

• Plugins: installed Python packages can add a page to the sidebar, static files under /plugins/<id>/ and JSON
  routes under /api/p/<id>/ (entry point group fle_studio.plugins, see docs/PLUGINS.md). Every
  plugin is off until it is turned on in Settings → Plugins; the list lives in plugins.json in the data folder.
• Plugins belong to the machine they are installed on: a paired client of a host neither sees nor uses them, and the
  page always calls them on its own Studio, also while another host is chosen.
• A plugin that fails to load is shown in Settings and does not stop FLE Studio.

Fixes

• Engine → Best for my machine: "What to try and for how long" stays open while the page refreshes; before, a refresh
  folded it shut under the cursor.