Add heatmap, add more commands, add usage

README.md

@@ -5,6 +5,26 @@ A Quick and dirty minimap using the Randar exploit
 100% of the credit for this goes to https://github.com/spawnmason/randar-explanation   
 Their work is really cool.
 
+
+### Commands
+- **.randar help** - print this help info
+- **.randar clear** - clear map data
+- **.randar getseed** - print current seed
+- **.rander setseed \<seed>** - set current seed
+
+### Settings
+- **Seed** - The seed of the map
+- **Map corner** - The corner of the screen that the map is displayed in
+- **Map range** - The maximum borders of the radar
+- **Color** - The color of the detected areas
+- **Heatmap mode** - Enable showing the age of detected regions using brightness
+- **Size** - The size of the map on screen
+- **Smear** - Stretch detected regions out to make them more visible
+- **Radar mode** - Center radar at player pos, not 0, 0
+- **Verbose** - Enable original debug output
+
+
+
 ##### How do I run this?   
 - Add the mod alongside Meteor client as an addon   
 ##### If Meteor client is on the latest version and the Randar exploit only works on versions up until 1.12.2, then how can I possibly use this?