Added readme.

README.md

@@ -11,6 +11,7 @@ A supported EVGA 30-series iCX3 card.  I have not done extensive testing but bel
 * RTX 3080 Ti
 * RTX 3090
 * RTX 3090 Ti
+
 The number of fans supported depends, of course, on your particular model.
 
 Access to the `/dev/i2c` device files, which means either:
@@ -26,7 +27,7 @@ Access to the `/dev/i2c` device files, which means either:
 ## Usage
 Note that when controlling fans directly through iCX3 they will fall offline from the Nvidia driver and show as 0 RPM until you return them to automatic mode.
 
-```
+```text
 Available options:
 --gpu N      : Control only GPU N instead of all supported cards
 --fan SPEED  : Set all fans at once to SPEED (see below)
@@ -41,7 +42,7 @@ Available options:
 
 ### Examples:
 Read sensors:
-```
+```text
 $ ./evga-icx
 #0: EVGA GeForce RTX 3090 FTW3 Ultra v2 (/dev/i2c-3) @ c:00.0
 Fan 0: 1094 RPM (36/0%, Auto)