Update README.md

README.md

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-# Rainmeter-TomatoTelemetry
+# A rainmeter skin for the Tomato blood glucose monitor app
+A simple rainmeter skin to display blood glucose levels on your dekstop with the Tomato blood glucose monitoring app. 
+
+![alt text](https://user-images.githubusercontent.com/8162613/103983500-a2dfac80-5185-11eb-96c4-8cdb0e28d17d.png)
+
+_Number currently displayed in mmol/L. The unit displayed depends on the app settings_ 
+
+# Installation 
+Follow the official Tomato instructions found [here](http://tomato.cool/how-to-follow-a-persons-blood-sugar/tips/) to get a follower link. This link should start with https://global.fanqies.com/remote/glycemic/...
+
+Download the skin either through releases or manually extract the files to your Rainmeter skins folder 
+
+Open BloodGlucose.ini in the rainmeter skins folder and paste the follower link under the variables section. Should look similar to 
+
+```
+[Variables]
+url=https://global.fanqies.com/remote/glycemic/....
+```
+# To do 
+Add variables to allow for easier text color changing and installation