Fix bookmarks menu dismiss, home Email URL, and deploy hygiene.

Close the hamburger panel on outside click/focus via X11 (xinput/xdotool)
without a fullscreen overlay; point home Email to Roundcube; sync
home-screen-index.html in deploy/install; remove credentials.md from git
and document private LAN-only Gitea usage.

Co-authored-by: Cursor <cursoragent@cursor.com>

.cursorrules

@@ -64,9 +64,13 @@ sleep 1
 | `/usr/local/bin/kiosk-restart` | Safe restart (kills Chromium + Python) |
 | `/etc/X11/xorg.conf.d/50-kiosk-hardening.conf` | Blocks TTY switching |
 
-## Gitea repo
+## Gitea repo (private LAN only)
 
-`https://gitea.jgitta.com/jgitta/senior-kiosk` — master branch
+- **URL**: `git@gitea.jgitta.com:jgitta/senior-kiosk.git` (SSH) or `https://gitea.jgitta.com/jgitta/senior-kiosk.git` (HTTPS)
+- **Branch**: `master`
+- **Exposure**: Internal only — LAN/VPN, not public internet. Never embed tokens in `git remote` URLs.
+- **Deploy**: `bash deploy.sh "message"` — push to Gitea, sync home screen, `kiosk-restart`.
+- **Secrets**: `credentials.md` is gitignored.
 
 ## Roundcube webmail