Move sendConfigGenerator forward declaration to proper location

Fixed compilation error by moving the sendConfigGenerator forward
declaration from the secondary declaration block (after enum) to the
primary block with other similar web handler functions.

All sketches now compile successfully:
- TankAlarm-112025-Server-BluesOpta (Arduino Opta) ✅
- TankAlarm-112025-Client-BluesOpta (Arduino Opta) ✅
- TankAlarm-112025-Viewer-BluesOpta (Arduino Opta) ✅
- TankAlarm-092025-Client-Hologram (MKR NB 1500) ✅
- TankAlarm-092025-Server-Hologram (MKR NB 1500) ✅

Co-authored-by: dorkmo <[email protected]>

Author: Copilot

TankAlarm-112025-Server-BluesOpta/TankAlarm-112025-Server-BluesOpta.ino

@@ -2625,6 +2625,7 @@ static void respondJson(EthernetClient &client, const String &body, int status =
 static void respondStatus(EthernetClient &client, int status, const String &message);
 static void sendDashboard(EthernetClient &client);
 static void sendClientConsole(EthernetClient &client);
+static void sendConfigGenerator(EthernetClient &client);
 static void sendTankJson(EthernetClient &client);
 static void sendClientDataJson(EthernetClient &client);
 static void handleConfigPost(EthernetClient &client, const String &body);
@@ -2639,7 +2640,6 @@ enum class ConfigDispatchStatus : uint8_t {
 static void handlePinPost(EthernetClient &client, const String &body);
 static void handleRefreshPost(EthernetClient &client, const String &body);
 static void handleRelayPost(EthernetClient &client, const String &body);
-static void sendConfigGenerator(EthernetClient &client);
 static ConfigDispatchStatus dispatchClientConfig(const char *clientUid, JsonVariantConst cfgObj);
 static bool sendRelayCommand(const char *clientUid, uint8_t relayNum, bool state, const char *source);
 static void pollNotecard();