chore: install volta and pinned version -yarn,node

Author: harshith-venkatesh

CONTRIBUTING.md

@@ -1,7 +1,7 @@
 # Contributing to Real Dev Squad API
 
 - [Getting Started](#getting-started)
-- [NPM Command Reference](#npm-command-reference)
+- [Yarn Command Reference](#yarn-command-reference)
 - [Project Structure](#project-structure)
 - [Generating Authentication Token](#generating-authentication-token)
 - [Testing Guidelines](#testing-guidelines)
@@ -12,26 +12,26 @@
 
 Instructions for initial setup can be found in the [README](README.md).
 
-## NPM Command Reference
+## Yarn Command Reference
 
-##### `npm install`
+##### `yarn`
 
 Installs all `dependencies` listed in the root `package.json`.
 
-##### `npm run test`
+##### `yarn run test`
 
-The script associated with `npm run test` will run all tests that ensures that your commit does not break anything in the
+The script associated with `yarn run test` will run all tests that ensures that your commit does not break anything in the
 repository. This will run the lint, integration and unit tests.
 
-##### `npm run lint`
+##### `yarn run lint`
 
 Runs the lint checks in the project.
 
-##### `npm run generate-api-schema`
+##### `yarn run generate-api-schema`
 
 Generates the API schema in the file `public/apiSchema.json`.
 
-##### `npm run validate-setup`
+##### `yarn run validate-setup`
 
 Runs the test for checking local development setup is working properly or not.
 
@@ -137,8 +137,8 @@ rds-session-staging
 ## Running test scripts on Windows
 
 - Git Bash is recommended for running test scripts on Windows.
-- Run `npm run test-integration` for running integration tests.
-- Run `npm run test-unit` for running unit tests.
+- Run `yarn run test-integration` for running integration tests.
+- Run `yarn run test-unit` for running unit tests.
 - Make sure the server is not running.
 - Make sure to close the emulator window after running the tests in order to avoid the blocking of the port for the next tests to run.
 - For e.g - After running the integration tests, close the emulator window and then run the command for unit tests.

README.md

@@ -18,17 +18,17 @@ This Project serves the backend APIs required for [Real Dev Squad](https://reald
 
 ## Running the Project
 ```shell
-$ npm install
-$ npm start
+$ yarn
+$ yarn start
 ```
 #### Running in dev mode
 ```shell
-$ npm run dev
+$ yarn run dev
 ```
 
 #### Test local setup
 ```shell
-$ npm run validate-setup
+$ yarn run validate-setup
 ```
 
 ## Prerequisites
@@ -44,7 +44,7 @@ $ npm run validate-setup
 - You can import the file [API Schema](https://github.com/Real-Dev-Squad/website-backend/blob/develop/public/apiSchema.json) to [Postman](https://www.postman.com/) or [SwaggerHub](https://swagger.io/tools/swaggerhub/).
 - If any API changes have been made:
     - Write JS Doc on top of your routes using YAML based annotations in OPEN API 3.0 format.
-    - Run `npm run generate-api-schema` to generate the API schema. A file `public/apiSchema.json` will be created/updated.
+    - Run `yarn run generate-api-schema` to generate the API schema. A file `public/apiSchema.json` will be created/updated.
 
 Check out our video on how to setup the backend here: [Wiki link](https://github.com/Real-Dev-Squad/website-backend/wiki/Backend-setup-and-understanding-the-flow)