fix(css): fix typo in a class name

Author: mkrl

public/ttty.css

@@ -37,7 +37,7 @@ span.terminal-prompt {
     color: #929292;
 }
 
-span.termainal-command {
+span.terminal-command {
     color: #ffff7d;
 }
 

src/api/print.ts

@@ -4,7 +4,7 @@ import { create } from '../helpers/dom'
 const print = (content: string, isCommand: boolean, commandContainer: HTMLElement, input: HTMLElement, prompt: string) => {
   const line = create('p', undefined, isCommand ? prompt : content)
   if (isCommand) {
-    const cmd = create('span', 'termainal-command', content)
+    const cmd = create('span', 'terminal-command', content)
     line.append(cmd)
   }
   commandContainer.append(line)