Update mesh.proto

RadioMaster 900 Bandit Nano ID, https://www.radiomasterrc.com/products/bandit-nano-expresslrs-rf-module

meshtastic/mesh.proto

@@ -531,6 +531,13 @@ enum HardwareModel {
    * Promicro NRF52840 with SX1262/LLCC68, SSD1306 OLED and NEO6M GPS
    */
   NRF52_PROMICRO_DIY = 63;
+
+  /*
+   * RadioMaster 900 Bandit Nano, https://www.radiomasterrc.com/products/bandit-nano-expresslrs-rf-module
+   * ESP32-D0WDQ6 With SX1276/SKY66122, SSD1306 OLED and No GPS
+   */
+   RADIOMASTER_900_BANDIT_NANO = 64
+   
   /*
    * ------------------------------------------------------------------------------------------------------------------------------------------
    * Reserved ID For developing private Ports. These will show up in live traffic sparsely, so we can use a high number. Keep it within 8 bits.