Updated doc, link to fork source, changes since fork

README.md

@@ -1,20 +1,27 @@
 # LilyGo HiGrow ESP32 Plant Monitoring Sensor Firmware (Hardware v1)
 
+This is a fork of  https://github.com/mongoose-os-apps/LilyGo-HiGrow-Sensor-v1.git.
+Added MQTT and power saving features.
+
 <p align="center">
-  <img src="LilyGO_HiGrow_Rev1_PhotoFrontHiGrow.jpg" width="60%">
+  <img src="src/branch/master/LilyGO_HiGrow_Rev1_PhotoFrontHiGrow.jpg" width="60%">
 </p>
 
 ## Differences
 - This codebase focuses on the v1 hardware, which does not have a light sensor.
 - RPC support included
 - Device id's are not tracked and sent to HiGrow's cloud at https://api.higrow.tech/api/records
+- MQTT support added
+- Configurability of frequency of measurement
+- Bluetooth made optional
+- Power saving mode (deep sleep)
 
 ## Overview
 - Use this code with [MongooseOS](https://mongoose-os.com/) and the LilyGo HiGrow ESP32 Plant Monitoring Sensor v1.0 board to obtain sensor readings and control LED's
 - Boards can be purchased directly from LilyGo on [AliExpress](https://www.aliexpress.com/item/ESP32-WIFI-Bluetooth-battery-soil-Moisture-Senson-DHT/32815782900.html)
 
 ## HiGrow's Officially Supported Repo
-- Luca's officially supported repo is located at https://github.com/mongoose-os-apps/lilygo-higrow-soil-temp-humi-sensor, please considering supporting his work over there.
+- Luca's officially supported repo is located at https://github.com/mongoose-os-apps/lilygo-higrow-soil-temp-humi-sensor, please consider supporting his work over there.
 - Set your device `bt_devname` in the **mos.yml** file. In order for it to work with the HiGrow app, each name should start with "Higrow". According to HiGrow, this will be fixed in a future release.
 - Visit http://www.higrow.tech/en/ more info on the HiGrow project.