Added robots.txt, nofollow in metatags

Also noindex on /print/ pages

server.js

@@ -44,9 +44,14 @@ const HomebrewModel = require('./server/homebrew.model.js').model;
 const welcomeText = require('fs').readFileSync('./client/homebrew/pages/homePage/welcome_msg.md', 'utf8');
 const changelogText = require('fs').readFileSync('./changelog.md', 'utf8');
 
+String.prototype.replaceAll = function(s, r){return this.split(s).join(r);};
+
+//Robots.txt
+app.get('/robots.txt', (req, res)=>{
+	return res.sendFile(`${__dirname}/robots.txt`);
+});
 
 //Source page
-String.prototype.replaceAll = function(s, r){return this.split(s).join(r);};
 app.get('/source/:id', (req, res)=>{
 	HomebrewModel.get({ shareId: req.params.id })
 		.then((brew)=>{
@@ -59,7 +64,7 @@ app.get('/source/:id', (req, res)=>{
 		});
 });
 
-
+//User Page
 app.get('/user/:username', (req, res, next)=>{
 	const fullAccess = req.account && (req.account.username == req.params.username);
 	HomebrewModel.getByUser(req.params.username, fullAccess)
@@ -72,7 +77,7 @@ app.get('/user/:username', (req, res, next)=>{
 		});
 });
 
-
+//Edit Page
 app.get('/edit/:id', (req, res, next)=>{
 	HomebrewModel.get({ editId: req.params.id })
 		.then((brew)=>{
@@ -115,7 +120,7 @@ app.get('/print/:id', (req, res, next)=>{
 });
 
 
-//Render Page
+//Render the page
 const render = require('vitreum/steps/render');
 const templateFn = require('./client/template.js');
 app.use((req, res)=>{