chore: release 1.8.0

Ships the gallery-dl sidecar work to the viewer. The visible change is
reel classification: official_artms' Reels tab drops from 781 items to
360, because the sidecars say the other 421 are ordinary feed videos the
clips endpoint returns via include_feed_video. Directory-based
classification counted them all as reels.

Also in this release: dates ranked by source rather than scan order, and
highlight items no longer appearing twice when the archive holds them
under both JDownloader naming conventions.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

package.json

@@ -1,7 +1,7 @@
 {
   "name": "instaarchive-viewer",
   "private": true,
-  "version": "1.7.1",
+  "version": "1.8.0",
   "type": "module",
   "scripts": {
     "dev": "vite --port=3000 --host=0.0.0.0",