docs: add hero flowchart as repository main image

Place the product flow diagram at the top of the README for GitHub preview.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
owo
2026-08-14 18:35:21 +08:00
co-authored by Cursor
parent 30d350b923
commit 9bae1a3702
2 changed files with 2 additions and 0 deletions
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