add Thinknode-M1 (#6435)

* ThinkNode M1
* Update Epaper Driver
* Your day isn't complete unless trunk has complained about your formatting at least once.

src/power.h

@@ -84,6 +84,11 @@ class Power : private concurrency::OSThread
     void setStatusHandler(meshtastic::PowerStatus *handler) { statusHandler = handler; }
     const uint16_t OCV[11] = {OCV_ARRAY};
 
+#if defined(ELECROW_ThinkNode_M1)
+    uint8_t low_voltage_counter_led3;
+    int power_num = 0;
+#endif
+
   protected:
     meshtastic::PowerStatus *statusHandler;