Updated instructions for local development and gulpfile

.gitignore

@@ -1,2 +1,3 @@
 components
-deploy
+deploy
+node_modules

README.md

@@ -1,3 +1,24 @@
 ### Polymer demo chat application
 
 Demo chat application presented at [Polymer Summit 2015](https://www.youtube.com/watch?v=ZDjiUmx51y8).
+
+## Instructions for developers
+
+
+* Initialize package.json (ignore if you already have package.json)
+$ npm init
+
+* Install gulp
+$ npm install gulp
+
+* Install gulp-connect
+$ npm install --save-dev gulp-connect
+
+* Install gulp-less
+$ npm install --save-dev gulp-less
+
+* Check that gulpfile.js exists and has task server
+
+* Run server as follows
+$ gulp server
+

gulpfile.js

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+var gulp = require('gulp'),
+  connect = require('gulp-connect'),
+  less = require('gulp-less');
+
+gulp.task('server', function() {
+  connect.server({
+    livereload: true
+  });
+});
+
+gulp.task('less', function() {
+  gulp.src('styles/main.less')
+    .pipe(less())
+    .pipe(gulp.dest('styles'))
+    .pipe(connect.reload());
+});
+
+gulp.task('watch', function() {
+    gulp.watch('styles/*.less', ['less']);
+})
+
+gulp.task('default', ['less', 'server', 'watch']);

package.json

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+{
+  "name": "chat-view-paper",
+  "version": "1.0.0",
+  "description": "Demo chat application presented at [Polymer Summit 2015](https://www.youtube.com/watch?v=ZDjiUmx51y8).",
+  "main": "gulpfile.js",
+  "dependencies": {
+    "gulp": "^3.9.0"
+  },
+  "devDependencies": {
+    "gulp-connect": "^2.3.1",
+    "gulp-less": "^3.0.5"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": ""
+  },
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": ""
+  },
+  "homepage": ""
+}