Gladius

Added:
- Demo 3: Reactive Notes example

Fixed:
- Issue with `aaa` demo package.

Changed:
- `starter.py` does not delete `TemporaryDirectory`

Added:
- Demo 2: Alpine.js demo, looping messages, handling events.

Fixed:
- PyPI project page.

Added:
- Support for client side imports and modules.

Changed:
- npm packages built and copied into `static/__npm__` dir
- micropython stubs packages copied into `static/__mpy__` dir
- user app modules/packages copied into `static/__app__` dir
- Reimplemented simplified examples `demo_0` and `demo_1`.

Changed:
- Redefined/reimplemented API and whole library.

Added:
* Component: `ComponentLibrary.__getattr__` method.
* Pico: `Page.__init__` got Modal JS script.
* Pico: `Page.__init__` got Checkbox indeterminate JS script.
* Pico: Module's `__all__` variable.
* Pico: Example `pico_1.py`, chat UI.
* Html5: `Section` component.
* Pico: `Section` component.

Fixed:
* Html5: Usage of `default_attrs` in `Component.__init__`.
* Html5: Properly implemented `Text` component.
* Pico: Removed conflicting `class Link(html5.A): pass`. Only use `p.A`.
* Html5: Void elements `Hr`, `Br`.

Removed:
* Pico: `SubmitInput`, `ButtonLink`, `SecondaryButtonLink`, `ContrastButtonLink` components.
* Pico: `OutlineButtonLink`, `SecondaryOutlineButtonLink`, `ContrastOutlineButtonLink` components.
* Html5: `Html5.__getattr__` method.
* DaisyUI: `DaisyUI.__getattr__` method.
* Pico: `Pico.__getattr__` method.
* Pico: `SecondaryLink`, `ContrastLink` components