Merge pull request #26 from brown-ccv/docs-install

docs: ✏️ installation

README.md

@@ -4,3 +4,24 @@
 [![Docs](https://img.shields.io/badge/docs-stable-blue.svg?style=flat-square)](https://brown-ccv.github.io/behavioral-task-trials/index.html)
 
 All-in-one starter app with behavioral task trials
+
+### Installation
+Create a `.npmrc` file in the root of your project and add:
+
+```
+@brown-ccv:registry=https://npm.pkg.github.com
+```
+
+Login with your GitHub username and a personal access token with`repo` and `read:packages` scopes:
+
+```
+npm login --registry=https://npm.pkg.github.com --scope=@brown-ccv
+```
+
+then:
+
+`npm install @brown-ccv/behavioral-task-trials`
+
+or 
+
+`yarn add @brown-ccv/behavioral-task-trials`