prettier style, add a fun readme example

README.md

@@ -54,7 +54,7 @@ console.log(json_data)
 ]
 */
 
-io.writeDataSync('path/to/save/output.json', json_data, {indent: 2})
+io.writeDataSync('path/to/save/output.json', json_data, { indent: 2 })
 ```
 
 Or, combine methods to read in a directory of csvs as json:
@@ -63,7 +63,7 @@ Or, combine methods to read in a directory of csvs as json:
 var io = require('indian-ocean')
 
 // Let's say this directory contains two csvs, each with two rows like the above example
-var csvs = io.readdirFilterSync('csvs-folder', {include: 'csv', fullPath: true}).map(io.readDataSync)
+var csvs = io.readdirFilterSync('csvs-folder', { include: 'csv', fullPath: true }).map(io.readDataSync)
 
 console.log(csvs)
 
@@ -91,6 +91,17 @@ console.log(csvs)
   ]
 ]
 */
+
+// Concatenate them into one file and write them out as one csv
+io.writeDataSync('single-file.csv', csvs.flat())
+
+/*
+name,city
+Gerald,Los Angeles
+Marcy,Tuscaloosa
+Liza,Minneapolis
+Eileen,Mobile
+*/
 ```
 
 License

docs/default_theme/top-matter._

@@ -32,7 +32,7 @@ var json_data = io.readDataSync('<span class="hljs-string">path/to/data.csv'</sp
 <span class="hljs-comment">]</span>
 <span class="hljs-comment">*/</span>
 
-io.writeDataSync(<span class="hljs-string">'path/to/save/output.json'</span>, json_data, {indent: 2})
+io.writeDataSync(<span class="hljs-string">'path/to/save/output.json'</span>, json_data, { indent: 2 })
     </pre>
 </section>