Create readme.md

Author: mostlypanda

login , sign-up rest api's/readme.md

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+# Rest api for login-signup-viewprofile-logout
+
+This project consist of rest API's build in node-js using express and mongo-db for doing login, signup as well as to show the profile of the user and then finally logging out the user
+Here first simple sign-up route has been created, Here user have to provide his just email and password, you can change this in user schema according 
+to your need, one email can be registered only once, if he tried to register again auth failed will be shown, then for logging up he has to 
+provide correct credentials for login,if any of the 2 things is wrong he won't be able to login, then i am generating here a jwt token,
+which will only expire when the person logged out.
+
+---
+## Requirements
+
+For development, you will need Node.js and a node global package, Yarn, installed in your environement and many other packages also which are stated further
+
+### Node
+- #### Node installation on Windows
+
+  Just go on [official Node.js website](https://nodejs.org/) and download the installer.
+Also, be sure to have `git` available in your PATH, `npm` might need it (You can find git [here](https://git-scm.com/)).
+
+- #### Node installation on Ubuntu
+
+  You can install nodejs and npm easily with apt install, just run the following commands.
+
+      $ sudo apt install nodejs
+      $ sudo apt install npm
+
+- #### Other Operating Systems
+  You can find more information about the installation on the [official Node.js website](https://nodejs.org/) and the [official NPM website](https://npmjs.org/).
+
+If the installation was successful, you should be able to run the following command.
+
+    $ node --version
+    v8.11.3
+
+    $ npm --version
+    6.1.0
+
+If you need to update `npm`, you can make it using `npm`! Cool right? After running the following command, just open again the command line and be happy.
+
+    $ npm install npm -g
+
+###
+### Yarn installation
+  After installing node, this project will need yarn too, so just run the following command.
+
+      $ npm install -g yarn
+
+---
+
+## Install
+
+    $ git clone https://github.com/YOUR_USERNAME/PROJECT_TITLE
+    $ cd node-js-components
+    $ cd login, sign-up rst api's
+    
+## packages you need to install
+```
+  express
+  mongoose
+  body-parser
+  cookie-parser
+  bcrypt
+```
+for installing the above packages you have to run the below command
+
+```
+  npm install <package_name>
+  
+```
+
+## Running the project
+
+    $ yarn start
+
+## Simple build for production
+
+    $ yarn build