Nicegui

- fixed `AttributeError: module 'nicegui.globals' has no attribute 'tailwind'` (244)
- improved memory management in edge cases

- fixed docker image

- improved shutdown behaviour (238)
- introducing `app.remove_route()`
- introducing `getElement()` JavaScript function (230)
- showing popup when connection is lost (199, 239)
- fixed memory issues
- using process name to identify spawned process (189)
- allow disabling tailwind (231, still experimental since it impacts layout and style of built-in elements)
- improved documentation
- avoid duplicate favicon routes for index page (240)

Breaking Changes

- using Quasar Uploader for ui.upload (227, 220)
- reworked lifecycle functions (232, 234)
- adding `on_connect()` and `on_disconnect()` functions to `client`
- renamed `await client.handshake()` to `await client.connected()`
- introduce `await client.disconnected()`
- providing `app.on_connect()` and `app.on_disconnect()` functions which are called for every client
- move `on_startup()`, `on_shutdown()` and `add_static_files()` from `ui` into `app`

Other Changes

- hold references to tasks in task_logger to prevent garbage collection (236, 237)
- fixed argument list for `table.call_api_method()` (233)
- add support for checkboxRenderer in `ui.table` (228)
- allow running NiceGUI without Tailwind (231)

- Prevent object duplication in `ui.scene` when using without page decorator (218)
- Fixed favicon routes for pages that are created during or after startup (222)
- Allow using HTML in `ui.table` (217)
- Support `ui.run_javascript` within `ui.on_connect` (219)

- Fixing lost state changes with ui.timer (207, 206)
- Caching markdown to speed up repeated requests (205)
- Allow to load Highcharts "extra" libraries like solid-gauge (210, 211)
- Fixing dynamically adding/removing chart series (208)
- Adding svg [clock example](https://github.com/zauberzeug/nicegui/blob/main/examples/svg_clock/main.py)