feat: task and use_task for better asyncio task a thread execution

use_task can replace use_thread, but also support coroutine functions.

task is a decorator that creates a top level task that can be executed
from any location (e.g. a click handler of a button).

solara/components/cross_filter.py

@@ -303,7 +303,7 @@ def update_filter():
                                     v.Select(v_model=column, items=columns_numeric, on_v_model=set_column, label="Choose column")
                                     v.Switch(v_model=invert, on_v_model=set_invert, label="Invert filter")
                                     v.Switch(v_model=enable, on_v_model=set_enable, label="Enable filter")
-                                    with solara.ToggleButtonsSingle(value=mode, on_value=set_mode):
+                                    with solara.ToggleButtonsSingle(value=mode, on_value=set_mode):  # type: ignore
                                         solara.Button(icon_name="mdi-code-equal", icon=True, value="==")
                                         solara.Button(icon_name="mdi-code-not-equal", icon=True, value="!=")
                                         solara.Button(icon_name="mdi-code-less-than", icon=True, value="<")

solara/lab/__init__.py

@@ -1,6 +1,7 @@
 # isort: skip_file
 from .components import *  # noqa: F401, F403
 from ..server.kernel_context import on_kernel_start  # noqa: F401
+from ..tasks import task, use_task, Task, TaskResult  # noqa: F401, F403
 from ..toestand import computed  # noqa: F401