feat: Table hooks

[jnumainville]

Fixes #112

Uses new python threading API from here

This is a quick example to see all of the hooks working

import deephaven.ui as ui
from deephaven.table import Table
from deephaven import time_table

@ui.component
def watch_cell(source: Table):

    current_table = ui.use_table_data(source)
    current_row = ui.use_row_data(source)
    current_row_list = ui.use_row_list(source)
    current_column = ui.use_column_data(source)
    current_cell = ui.use_cell_data(source)

    view1 = ui.view(f"current time: ${current_table}")
    view2 = ui.view(f"current time: ${current_row}")
    view3 = ui.view(f"current time: ${current_row_list}")
    view4 = ui.view(f"current time: ${current_column}")
    view5 = ui.view(f"current time: ${current_cell}")

    return [view1, view2, view3, view4, view5]

t = time_table("PT1S").tail(1)

watch = watch_cell(t)

[mofojed]

I'm not too familiar with this submit_task functionality. Will need to take a closer look...

[mofojed]

We probably should make a hook just for submitting tasks with the execution context, similar to how I made the use_render_queue hook for submitting tasks on the render thread.