adds .env_sample to repo and command in "Quick Start" to ensure peopl…

…e dont see env2 warning. fixes #29

.env_sample

@@ -0,0 +1 @@
+MY_VAR='your environment variables go here'

README.md

@@ -67,9 +67,11 @@ _**Try it**_ on your local machine in 5 mins by following these _**3 easy steps*
 Clone the repository by _copy-pasting_ the following command into your terminal:
 
 ```sh
-git clone https://github.com/dwyl/learn-nightwatch.git && cd learn-nightwatch
+git clone https://github.com/dwyl/learn-nightwatch.git && cd learn-nightwatch && cp .env_sample .env
 ```
 
+> Note: if you're _curious_ what that last part is, see: https://github.com/dwyl/env2
+
 ### 2. Install<sup>1</sup>
 
 Install the *required* dependencies

package.json

@@ -1,6 +1,6 @@
 {
   "name": "learn-nightwatch",
-  "version": "1.0.22",
+  "version": "1.0.23",
   "description": "Learn how to use nightwatch for front-end testing. step-by-step tutorial",
   "main": "index.js",
   "engines": {