Support tables in Kindle for PC (#7977)
* Add support for IAccessibleTable2 and IAccessibleTableCell
* Add support for tables in Kindle
* Kindle: initial support for jumping to tables with t / shift+t.
* Kindle: support jumping to the beginning/end of containers (so far just tables) with comma and shift comma.
* Add code comments
* Kindle appModule: update method docstring.
