Added Readme file

Author: mllocs

README.md

@@ -0,0 +1,31 @@
+TimeOverflow Mobile App
+=======================
+
+This is an [Expo.io](https://expo.io) project. 
+
+To run the app on your machine follow these steps:
+
+1. Clone this repo and jump into the project folder:
+
+```
+$ git clone git@github.com:coopdevs/timeoverflow-mobile-app.git
+$ cd timeoverflow-mobile-app
+```
+
+2. Install Expo's CLI node package: 
+
+```
+$ npm install exp --global
+```
+
+3. Run Expo!
+
+```
+$ exp start
+```
+
+4. The previous command will output a QR code which will be used later to access the app from your phone. 
+
+5. Install Expo's client on your phone: https://expo.io/tools#client
+
+6. Open the Expo app and scan the QR code. Now you are running the Time Overflow app on your phone! Make any change on the project and the Expo mobile client will automatically reload the changes. Enjoy!