Deeplink redirector

Send a link shaped like /<app>/<action>/<path>?<query> and it opens <app>://<action>/<path>?<query>. Links are signed, and are generated with tools/deeplink.py.

https://s.pvi.me/obsidian/open?vault=Donorbox&file=Notes%2FT-115.md&_s=… ↓ obsidian://open?vault=Donorbox&file=Notes%2FT-115.md