Unregister push token on signout (#8661)

* unregister push - WIP

* create agent and submit push token revokation

* mock unregisterpush

* fix import

* Add proxy headers

---------

Co-authored-by: Eric Bailey <git@esb.lol>

src/lib/constants.ts

@@ -241,6 +241,10 @@ export const BLUESKY_MOD_SERVICE_HEADERS = {
   'atproto-proxy': `${BSKY_LABELER_DID}#atproto_labeler`,
 }
 
+export const BLUESKY_NOTIF_SERVICE_HEADERS = {
+  'atproto-proxy': `${BLUESKY_PROXY_DID}#bsky_notif`,
+}
+
 export const webLinks = {
   tos: `https://bsky.social/about/support/tos`,
   privacy: `https://bsky.social/about/support/privacy-policy`,