Add comments to explain the example's proxy use.

Author: Rick

package.json

@@ -1,7 +1,7 @@
 {
   "name": "react-isomorphic-starterkit",
   "description": "Isomorphic starterkit with server-side React rendering.",
-  "version": "2.3.2",
+  "version": "2.3.3",
   "license": "BSD-3",
   "repository": {
     "type": "git",

src/server.js

@@ -24,15 +24,15 @@ server.route({
 });
 
 /**
- * Endpoint that proxies all requests to api.github.com
+ * Endpoint that proxies all GitHub API requests to https://api.github.com.
  */
 server.route({
 	method: "*",
 	path: "/api/github/{path*}",
 	handler: {
 		proxy: {
 			passThrough: true,
-			mapUri: function (request, callback) {
+			mapUri (request, callback) {
 				callback(null, url.format({
 					protocol: "https",
 					host:     "api.github.com",

src/views/Main.js

@@ -145,13 +145,22 @@ export default Transmit.createContainer(Main, {
 		 * Return a Promise of the previous stargazers + the newly fetched stargazers.
 		 */
 		allStargazers (queryParams) {
+			/**
+			 * On the server, connect to GitHub directly.
+			 */
 			let githubApi = "https://api.github.com";
 
+			/**
+			 * On the client, connect to GitHub via the Hapi proxy route.
+			 */
 			if (__CLIENT__) {
 				const {hostname, port} = window.location;
 				githubApi = `http://${hostname}:${port}/api/github`;
 			}
 
+			/**
+			 * Load a few stargazers using the Fetch API.
+			 */
 			return fetch(
 				githubApi + "/repos/RickWong/react-isomorphic-starterkit/stargazers" +
 				`?per_page=100&page=${queryParams.nextPage}`