Fixed minor error when canceling a download

Added support for scrolling image galleries
Added toggle for maximum available image quality
Added throbbers for queued downloads
Various bug fixes

Changes
- Added an option to set the image quality, allowing higher quality images or smaller files
- Enabled downloading uploaded GIF posts as .gif files
- Added an optional check for interrupted downloads, asking the user to restart them
- Added additional descriptions to settings
- Added option to import, export, and reset settings
- Added a page for viewing 1st- and 3rd-party licenses, accessible in the settings
- Upgraded ffmpeg.wasm version for increased performance and better progress estimation
- General performance improvements while scrolling Bluesky
- Lots of small changes

Bug fixes
- Fixed images sometimes not loading while downloading
- Fixed some video and GIF posts not being recognized
- Fixed download notifications on mobile devices moving while scrolling
- Various other bug fixes

Added settings popup page.
Added option to change the file name and on desktop devices the path of downloaded media.
Added variables to dynamically change components of the download path.
Added options to toggle image, video and GIF downloading.
Added option to download GIFs as .webp files. Turning this off will locally convert the video to a .gif file.
Added popup notifications to show download progress. These can be disabled in the settings.
Increased hash digits. Posts downloaded before this update will appear to not be downloaded again.

V1.2.1 - This time it actually works!

Added introduction for both desktop and mobile devices.
New users will see a blue flashing border showing them where the download buttons are located.

Fixed issue with the storage not being initialized properly.
Improved error handling.
Improved performance impact in several areas.

Fixed error when downloading multiple videos.

Fixed freezing when viewing videos.
Added support for downloading GIFs.
Changed file naming scheme.

Minor fix