doc(readme): add usage instructions

Author: klarkc

README.md

@@ -4,3 +4,56 @@
 A Vue project template with Loopback framework featuring ES6, Gulp, and Mocha for unit tests
 
 > This template is Vue 2.x **only**.
+
+## Folder structure
+
+1. `client`: Vue client files
+2. `common`: Common client and server model files
+3. `server`: Loopback server files
+4. `test`: Unit and E2E test files
+
+## Installation
+
+```
+  $ npm install
+```
+
+## Linting
+
+```
+  $ npm run lint
+```
+
+## Testing
+
+```
+  $ npm test
+```
+
+## Running the development server (API and Client)
+
+```
+  $ npm run dev
+```
+
+## Build to ./build
+
+```
+  $ npm run build
+```
+
+## Executing built files
+
+For client you can use any http server, like [http-server](https://github.com/indexzero/http-server):
+
+```bash
+  $ cd build/client
+  $ http-server
+```
+
+You can run the server with:
+
+```bash
+  $ cd build/server
+  $ node .
+```