revert(cistech-tunnel): restore to working state at 5d54ed6

- Removed build/ folder
- Restored source/ folder with original Dockerfile and entrypoint.sh
- Reverted config files to original working state
- Cleaned up shared/ to only contain host routing scripts

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/cistech-tunnel/config.json

@@ -4,13 +4,13 @@
     "available": true,
     "short_desc": "Cistech VPN client container with noVNC.",
     "author": "alexz",
-    "port": 6092,
+    "port": 6902,
     "categories": [
         "utilities",
         "network"
     ],
     "description": "OpenConnect-SSO VPN running in an isolated namespace with noVNC for first-time SSO reconnects.",
-    "tipi_version": 4,
+    "tipi_version": 1,
     "version": "latest",
     "source": "local",
     "exposable": true,
@@ -48,13 +48,6 @@
             "type": "password",
             "env_variable": "VNC_PASSWORD",
             "required": true
-        },
-        {
-            "label": "Target IP",
-            "type": "text",
-            "env_variable": "TARGET_IP",
-            "required": false,
-            "hint": "IP address to route through VPN (for host routing)"
         }
     ],
     "supported_architectures": [