feat(tazjin/tgsa): support extracting fallback message from preview r/6096

some telegram channels do not allow embedding of messages, but do
allow a preview to be shown on twitter. this preview is just embedded
in the html, and can be scraped out if no message was found.

technically this preview also contains image links, but they are to
very low resolution, thumbnail-style images so i decided not to
include them here.

Change-Id: Ifb89f9fbde8140d577a5ee3af6e60b04232e53e3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8480
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI

0 files changed, 0 insertions, 0 deletions