Split codebase, remove gulp and bower, Add TS partially, biome, dexie, posthog. Remove vendor src for some files.

* (fix) - Refactor single file to multiple. Introduce biome. Migrate to webpack. Fix random strict issues. Use winamp dep instead of src.

* (chore) - add nvmrc

* (feat) - Add TS to some files. Remove vendor. Refactor pdf printing

* (feat) - More hacky TS migrations. Remove unused/vendor packages. Webpack chunks

* (feat) - Dexie + Strict TS

* (feat) - Posthog, random fixes, removing clippy src and dotenv