update readme

README.md

@@ -9,15 +9,23 @@ Checkout this repo, install dependencies, then start the gulp process with the f
 
 ```
 > git clone https://github.com/sksaju/expense-tracker.git
-> cd expense-tracker
+> cd expense-tracker 
 > npm install
-> npm start
+> cd client 
+> npm install
+> cd ../ 
+> config to mongodb and run database with mongod command
+> npm run dev
 ```
 
 #### Not Familiar with Git?
 Click [here](https://github.com/sksaju/expense-tracker/) then download the .zip file.  Extract the contents of the zip file, then open your terminal, change to the project directory, and:
 
 ```
 > npm install
-> npm start
+> cd client 
+> npm install
+> cd ../ 
+> config to mongodb and run database with mongod command
+> npm run dev
 ```