* Updated to support Manifest v3

* Added a masking image to hide the puzzle when timer is paused

* Updated copyright information

* Added timer to measure time taken to solve the puzzle

* Timer can be paused/resumed

* Removed <all_urls> permission since activeTab permission is sufficient for this extension

* Set default grid size to 5 when installing extension

* Added new option to toggle preview image visibility

* Allow users to customize the default NxN grid size for the jigsaw puzzle

* Bug fix in calculating the size of the jigsaw frame. In some corner cases, frame size was too small or too large.

* Minor bug fix; when a piece is clicked on but not moved, its position offsets depending on where it is clicked. This can sometimes cause an ugly gap between this piece and its immediate attached neighbors. Fixed this error.

* First release of JigSaw.

* Please refer to the listing to see how to use this extension.