Added a main webpage to web/app with a navbar to control login/logout and add/select/remove a database to be queried. Restructured the main dashboard to use tailwindcss. Ported the websockets and broker implementation to V1 and tied all components (schema, querybuilder, and visualizer) together.

Solves #21

This restructures the worspace int a turborepo with a (for now) single shared library with all shared components within. It includes vite build, vitest, and storybooks. Huski and CI are configured to lint and test the code.

Solves #19 and #20