[BT] Bump Theengs Decoder to 1.6.4 & NUTALE added as presence tracker (#1818)

• Bump Theengs Decoder to 1.6.4
• NUTALE added as presence tracker
• Small doc changes

docs/use/boards.md

@@ -14,7 +14,7 @@ On M5Stack boards you may do a long press to these buttons in low power mode 0 (
 You can also do a long press when powering the board to reset it, this press must be done during the first 5 seconds after the start.
 
 ### Wifi interference on sensors when using an ESP ###
-Certain sensors like HC-SR501 is prone to generate false signals / triggers when used on a ESP with Wifi enabled. To reduce or elimate the effect the board must be put into Wifi B/G with lower TX power.
+Certain sensors like HC-SR501 is prone to generate false signals / triggers when used on a ESP with Wifi enabled. To reduce or eliminate the effect the board must be put into Wifi B/G with lower TX power.
 
 This can be achieved with the following macro, `WifiGMode` defined true and `WifiPower` to e.g. WIFI_POWER_11dBm (ESP32) or 11 (ESP8266).  
 

docs/use/rf.md

@@ -60,7 +60,7 @@ This feature is only available on a ESP32 based device with a supported transcei
 ### Supported hardware combinations
 
 - ESP32 based device with a CC1101 transceiver
-- Heltec WiFi LoRa 32 (V2.1) and LilyGo Lora 32 V2.1
+- Heltec WiFi LoRa 32 (V2.1) and LilyGo LoRa 32 V2.1
 - ESP32 DOIT DevKit V1 and Ai-Thinker R01 (SX1278)
 - ESP32 + SX1278/SX1276