Update README.md

Author: matthew-a-thomas

README.md

@@ -1,4 +1,26 @@
 # colored-rs
 ANSI escape code colors for `no_std` environments.
 
-![Colorful output](https://i.imgur.com/HbyHT4M.png)
+```rust
+use colored::*;
+
+fn main() {
+    println!("{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}",
+        "Red".fg(red()),
+        "Orange".fg(orange()),
+        "Yellow".fg(yellow()),
+        "Yellow green".fg(yellow_green()),
+        "Green".fg(green()),
+        "Green cyan".fg(green_cyan()),
+        "Cyan".fg(cyan()),
+        "Cyan blue".fg(white()).bg(cyan_blue()),
+        "Blue".fg(white()).bg(blue()),
+        "Blue magenta".fg(white()).bg(blue_magenta()),
+        "Magenta".fg(magenta()),
+        "Magenta pink".fg(magenta_pink()),
+        "Custom color".fg(Rgb::new(123, 231, 111)).bg(Rgb::new(10, 100, 20))
+    );
+}
+```
+
+![Colorful output](https://imgur.com/9j1FLiU)