Expand local_machine docs and automation for connectivity, games, and ops.

Add proxy/VPN/telegram launchd and emergency runbooks; reorganize apps docs;
document JA3 CrossOver runbook and Wine troubleshooting; add GOG/HoMM game
scripts, disk cleanup guides, and gitea push-via-proxy helper. Ignore temp/.

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

scripts/vpn/exit-via-ru-do.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+# См. docs/connectivity/vpn/SSH_EXIT_MODES.md
+exec "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/ssh-exit-mode.sh" ru-do "$@"