fix(lint and polish): add a little more comments

examples/getting-started/index.js

@@ -0,0 +1,84 @@
+'use strict'
+
+const IPFS = require('../../src/core') // replace this by line below
+// const IPFS = require('ipfs')
+
+/*
+ * Create a new IPFS instance, using default repo (fs) on default path (~/.ipfs)
+ */
+const node = new IPFS()
+
+const fs = require('fs')
+
+/*
+ * Display version of js-ipfs
+ */
+node.version(gotVersion)
+
+function gotVersion (err, version) {
+  if (err) {
+    return console.error(err)
+  }
+
+  console.log(version)
+
+  /*
+   * Load the config into memory (generate the Public Key from the Private Key)
+   */
+  node.load((err) => {
+    if (err) {
+      return console.log(err)
+    }
+    console.log('Repo was loaded\n')
+
+    /*
+     * Our instance is set, now let's goOnline (turn on bitswap) and do cool
+     * stuff
+     */
+
+    node.goOnline((err) => {
+      if (err) {
+        return console.log(err)
+      }
+
+      // We can test to see if we actually are online if we want to
+      if (node.isOnline()) {
+        console.log('\nYep, we are online')
+      }
+
+      /*
+       * Add a file to IPFS - Complete Files API on:
+       * https://github.com/ipfs/interface-ipfs-core/tree/master/API/files
+       */
+
+      const file = {
+        path: 'hello.txt',
+        content: fs.createReadStream('./hello.txt')
+      }
+
+      node.files.add(file, (err, result) => {
+        if (err) {
+          return console.error(err)
+        }
+
+        /*
+         * Awesome we've added a file so let's retrieve and
+         * display its contents from IPFS
+         */
+
+        console.log('\n', result, '\n')
+
+        node.files.cat(result[0].hash, (err, stream) => {
+          if (err) {
+            return console.error(err)
+          }
+
+          console.log('file content: \n')
+
+          stream.pipe(process.stdout)
+          stream.on('end', process.exit)
+        })
+      })
+    })
+  })
+}