Added logs to docs (#205)

Author: natemoo-re

.github/assets/clack-logs.png

@@ -172,3 +172,18 @@ await p.tasks([
   },
 ]);
 ```
+
+### Logs
+
+```js
+import { log } from '@clack/prompts';
+
+log.info('Info!');
+log.success('Success!');
+log.step('Step!');
+log.warn('Warn!');
+log.error('Error!');
+log.message('Hello, World', { symbol: color.cyan('~') });
+```
+
+[clack-log-prompts](https://github.com/natemoo-re/clack/blob/main/.github/assets/clack-logs.png)