Add sdkconfig.defaults for BLE, remove bad CONFIG flags, increase stack

src/main.cpp

@@ -348,8 +348,10 @@ void setup() {
     
     Serial.println("[INIT] Initializing USB MIDI...");
     midi_transport.begin();
+    delay(1500);
 
     Serial.println("[INIT] Initializing BLE MIDI...");
+    delay(2000);
     ble_midi_transport.begin();
 
     Serial.println("[INIT] Registering MIDI callbacks...");