Meshtastic unified OTA (#9231)

* Initial commit of combined BLE and WiFi OTA

* Incorporate ota_hash in AdminMessage protobuf

* OTA protobuf changes

* Trunk fmt

---------

Co-authored-by: Jake-B <jake-b@users.noreply.github.com>

src/platform/esp32/MeshtasticOTA.h

@@ -0,0 +1,18 @@
+#ifndef MESHTASTICOTA_H
+#define MESHTASTICOTA_H
+
+#include "mesh-pb-constants.h"
+#include <Arduino.h>
+
+namespace MeshtasticOTA
+{
+void initialize();
+bool isUpdated();
+
+void recoverConfig(meshtastic_Config_NetworkConfig *network);
+void saveConfig(meshtastic_Config_NetworkConfig *network, meshtastic_OTAMode method, uint8_t *ota_hash);
+bool trySwitchToOTA();
+const char *getVersion();
+} // namespace MeshtasticOTA
+
+#endif // MESHTASTICOTA_H