add the dependancies and update readme.

Author: sanjukammath

.gitignore

@@ -1 +1 @@
-/node_modules
+/node_modules

README.md

@@ -2,3 +2,21 @@
 This is the node app to interact with the chaincode.
 
 Use this app in connection with the project in https://github.com/sanjukammath/blockchain-assignment
+
+Make sure the peer services are up and the fabric-ca-server is brought up before testing this.
+
+in the node-app root folder
+
+>npm install
+
+>node enrollAdmin.js
+
+>node registerDoctor3.js
+
+>node registerPatient3.js
+
+>node registerlabtech3.js
+
+>node createRecord.js
+
+>node queryRecord.js