added default config file

app.js

@@ -3,8 +3,17 @@ var path = require('path');
 var favicon = require('serve-favicon');
 var logger = require('morgan');
 var bodyParser = require('body-parser');
+var fs = require('fs');
 
-var config = require('./config/nodes');
+var config;
+
+if(fs.existsSync('./config/nodes.js')){
+    config = require('./config/nodes');
+} else {
+    config = require('./config/nodes.default');
+}
+console.log(config);
+// var config = require('./config/nodes');
 var Node = require('./models/node');
 
 var app = express();

config/nodes.default.js

@@ -0,0 +1,16 @@
+var nodes = [
+	// {
+	// 	name: 'Readable name of the node',
+	// 	type: 'C++/Go...',
+	// 	rpcHost: 'your node IP here',
+	// 	rpcPort: 'JSON-RPC port here'
+	// },
+	{
+		name: 'local',
+		type: 'C++',
+		rpcHost: 'localhost',
+		rpcPort: '8080'
+	}
+];
+
+module.exports = nodes;

config/nodes.js

@@ -1,28 +0,0 @@
-var nodes = [
-	{
-		name: 'instance 1',
-		type: 'C++',
-		rpcHost: '54.173.252.182',
-		rpcPort: '8080'
-	},
-	{
-		name: 'instance 2',
-		type: 'C++',
-		rpcHost: '54.209.133.248',
-		rpcPort: '8080'
-	},
-	{
-		name: 'instance 3',
-		type: 'C++',
-		rpcHost: '54.174.67.126',
-		rpcPort: '8080'
-	},
-	{
-		name: 'local',
-		type: 'C++',
-		rpcHost: 'localhost',
-		rpcPort: '8080'
-	}
-];
-
-module.exports = nodes;