Add basic doc and support VSCode build (#2)

Author: kevcunnane

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "typescript.check.workspaceVersion": false
+}

.vscode/tasks.json

@@ -0,0 +1,23 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "0.1.0",
+    "command": "gulp",
+    "isShellCommand": true,
+    "args": [
+        "--no-color"
+    ],
+    "tasks": [
+        {
+            "taskName": "build",
+            "args": [],
+            "isBuildCommand": true,
+            "isWatching": false,
+            "problemMatcher": [
+                "$lessCompile",
+                "$tsc",
+                "$jshint"
+            ]
+        }
+    ]
+}

README.md

@@ -0,0 +1,38 @@
+## Set up Node, npm, gulp and typings
+
+### Node and npm
+**Windows and Mac OSX**: Download and install node from [nodejs.org](http://nodejs.org/)
+
+**Linux**: Install [using package manager](https://nodejs.org/en/download/package-manager/)
+
+From a terminal ensure at least node 5.4.1 and npm 3:
+```bash
+$ node -v && npm -v
+v5.9.0
+3.8.2
+```
+**Note**: To get npm version 3.8.2, you may need to update npm after installing node.  To do that:
+```bash
+[sudo] npm install npm -g
+```
+
+### Gulp
+Install gulp
+```bash
+[sudo] npm install gulp -g
+```
+From the root of the repo, install all of the build dependencies:
+```bash
+[sudo] npm install --greedy
+```
+
+### Typings
+#### Install Typings CLI utility
+`npm install typings --global`
+
+#### Install required typings to build this project
+`typings install`
+
+## Build project
+Type `gulp build` from the command line or run build inside VSCode
+

gulpfile.js

@@ -18,4 +18,6 @@ gulp.task('compile', () => {
 
 gulp.task('clean', () => {
     return del(['**/*.js', '**/*.d.ts', '!node_modules/**/*', '!gulpfile.js', '!typings/**/*', '!libs/**/*'])
-});
+});
+
+gulp.task('build', gulp.series('clean', 'compile'));