remove PyWidget and py-register-widget + refactor PyList as a Python Plugin (#1452)

* remove PyWidget and py-register-widget

* refactor py-list as Plugin

* add newline

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* fix eslint

* handle case if src not supplied

* move inside if

* - Remove src attribute for py-list
- Re-implement as a Python plugin
- Remove pylist.py from examples directory
- Remove PyListPlugin as one of the default ones

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* move PyItem and PyList classes to the plugin

* clean up PyListTemplate and PyItemTemplate from pyscript module

* fix linting

* use PyList instead of PyListTemplate instead

* fix example for todo-pylist

* re-enable and improve test

* move py-list plugin to examples

* fix py-list plugin link

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

pyproject.toml

@@ -12,8 +12,6 @@ skip = "pyscriptjs/node_modules/*,*.js,*.json"
 [tool.ruff]
 builtins = [
     "Element",
-    "PyItemTemplate",
-    "PyListTemplate",
     "pyscript",
 ]
 ignore = [