Remove cascade for now; add Docker/CI and README fix list.

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

translations/en.json

@@ -519,46 +519,5 @@
   "restore_protocol_backup_confirm": "Restore this backup on the server? Current protocol files will be overwritten and the container will restart.",
   "restoring_protocol_backup": "Restoring… please wait",
   "restore_protocol_backup_done": "Backup restored",
-  "refresh": "Refresh",
-  "cascade_title": "Cascade (double VPN)",
-  "cascade_desc": "Clients connect to this entry server; internet exits through another server — to bypass country blocks.",
-  "cascade_hint": "Entry and exit must both have AmneziaWG/WireGuard installed. Give users the entry server config only.",
-  "cascade_entry_protocol": "Protocol on this server (entry)",
-  "cascade_exit_server": "Exit server",
-  "cascade_exit_server_none": "— Select server —",
-  "cascade_exit_protocol": "Protocol on exit server",
-  "cascade_enable": "Enable cascade",
-  "cascade_disable": "Disable cascade",
-  "cascade_working": "Setting up cascade…",
-  "cascade_disabling": "Disabling cascade…",
-  "cascade_enabled": "Cascade enabled",
-  "cascade_disabled": "Cascade disabled",
-  "cascade_off": "Off",
-  "cascade_on": "Active",
-  "cascade_configured_down": "Configured, tunnel down",
-  "cascade_exit_required": "Select an exit server",
-  "cascade_enable_confirm": "Enable cascade? A service client will be created on the exit server and a tunnel will be set up on this entry server.",
-  "cascade_disable_confirm": "Disable cascade on this server?",
-  "cascade_no_handshake": "Up, no handshake",
-  "cascade_settings_title": "Cascade settings (per step)",
-  "cascade_settings_desc": "If pages spin forever with no internet — keep all options on and click Enable cascade again.",
-  "cascade_opt_pin_exit": "Pin route to exit server",
-  "cascade_opt_pin_exit_hint": "Keeps the exit tunnel from looping through the VPN itself.",
-  "cascade_opt_remove_eth_masq": "Remove client NAT on eth0",
-  "cascade_opt_remove_eth_masq_hint": "Clients must not egress directly from the entry server.",
-  "cascade_opt_force_forward": "Force FORWARD between interfaces",
-  "cascade_opt_force_forward_hint": "Client traffic → cascade → exit.",
-  "cascade_opt_mss_clamp": "TCP MSS clamp",
-  "cascade_opt_mss_clamp_hint": "Fixes endless page loads on double VPN.",
-  "cascade_opt_wait_handshake": "Wait for exit handshake",
-  "cascade_opt_wait_handshake_hint": "Do not mark cascade active if the exit peer never answers.",
-  "cascade_opt_keep_dns": "Keep DNS from exit config",
-  "cascade_opt_keep_dns_hint": "Usually off — the client sets DNS itself.",
-  "cascade_opt_handshake_timeout": "Handshake timeout (sec)",
-  "cascade_opt_table_id": "Routing table id",
-  "cascade_opt_rule_priority": "ip rule priority",
-  "cascade_opt_allowed_ips": "AllowedIPs for entry→exit tunnel",
-  "cascade_opt_allowed_ips_hint": "Usually 0.0.0.0/0, ::/0",
-  "cascade_opt_vpn_subnet": "Client subnet override",
-  "cascade_opt_vpn_subnet_hint": "Empty = auto-detect from server Address"
+  "refresh": "Refresh"
 }