fix: prevent coomer domino failures by unifying retries and adding pe…

…r-domain cooldown

Change usage GIF link in README|

Updated the usage GIF link in the README.

fix(downloader): prevent 404 by using correct host for media

fix(downloader) changes in headers

fix(downloader): add `/posts` to API URL to prevent 404 error #82

coomer.st

coomer.st

coomer.st

feat(about): asynchronous data loading with “Loading…” placeholders