readme: Update badge links + NPM scripts

README.md

@@ -5,7 +5,7 @@
 </p>
 <p align="center">
   <a href="https://circleci.com/gh/tohjustin/pomodori/tree/master"><img src="https://circleci.com/gh/tohjustin/pomodori/tree/master.svg?style=shield" alt="CircleCI Build Status"/></a>
-  <a href="https://github.com/tohjustin/pomodori/releases/tag/v2.1.0"><img src="https://img.shields.io/github/release/tohjustin/pomodori.svg" alt="Release Version"/></a>
+  <a href="https://github.com/tohjustin/pomodori/releases"><img src="https://img.shields.io/github/release/tohjustin/pomodori.svg" alt="Release Version"/></a>
   <a href="https://codecov.io/gh/tohjustin/pomodori"><img src="https://codecov.io/gh/tohjustin/pomodori/branch/master/graph/badge.svg" alt="Codecov" /></a>
   <a href="https://www.codacy.com/app/tohjustin/pomodori?utm_source=github.com&amp;utm_medium=referral&amp;utm_content=tohjustin/pomodori&amp;utm_campaign=Badge_Grade"><img src="https://api.codacy.com/project/badge/Grade/ab08c87aa6a3467496591b87ad77f8e8"/></a>
   <a href="https://pomodori-pwa.firebaseapp.com/lighthouseReport.html"><img src="https://img.shields.io/badge/lighthouse-100%2F100-ff69b4.svg"/></a>
@@ -24,10 +24,9 @@
 ## Prerequisites
 
 - [Node.js](https://nodejs.org/en/download/)
-- [npm](https://docs.npmjs.com/getting-started/installing-node)
-- [Yarn](https://yarnpkg.com/en/docs/install#mac-tab) (optional, alternative to npm)
+- [NPM](https://docs.npmjs.com/getting-started/installing-node) + [Yarn](https://yarnpkg.com/en/docs/install#mac-tab)
 
-(Optional) If you want to test the build files locally (via `npm run serve`):
+**(Optional)** If you want to test the build files locally (via `yarn run serve`):
 - [Python](https://www.python.org/)
 - [Flask](http://flask.pocoo.org/)
 
@@ -36,26 +35,29 @@
 ``` bash
 git clone https://github.com/tohjustin/pomodori.git
 cd ./pomodori
-npm install # you can use "yarn" instead
+yarn
 ```
 
 ## Getting Started
 
 ``` bash
 # serve with hot reload at localhost:8080
-npm run dev
+yarn run dev
 
 # build for production with minification
-npm run build
-
-# run eslint
-npm run lint
+yarn run build
 
 # build for production with minification + serve build at localhost:5000 (Flask server)
-npm run serve
+yarn run serve
+
+# run eslint
+yarn run lint
 
 # run unit tests
-npm test
+yarn run unit
+
+# run eslint + unit tests
+yarn test
 ```
 
 This project's build setup is scaffolded by the [vue-cli](https://github.com/vuejs/vue-cli) project. For detailed explanation on how things work, checkout the [guide](http://vuejs-templates.github.io/webpack/) and [docs for pwa-template](https://github.com/vuejs-templates/pwa).