Djream

- Improved customisability of bootstrap.html
- Fixed static files config for production

- Renamed "context" to "props"
- Renamed "global context" to "context"
- Renamed "modal" to "overlay"
- Moved ModalWindow and ToastMessages out of core
- Add Form

`djream` (python)

- Fixed location of `manifest.json` in `DJREAM_VITE_BUNDLE_DIR` (was moved in recent versions of Vite)
- Removed a stray print

`djream/core` (npm)

No changes

`create-djream` (npm)

Changes to server template:
- Added docker compose
- Configuration for PostgreSQL (with `dj-database-url`)
- Added Gunicorn

`djream/storybook`

No changes