docs(readme): update readme for this repo

Signed-off-by: Jonah Snider <[email protected]>

Author: jonahsnider

readme.md

@@ -1,12 +1,20 @@
-# [TypeScript](https://www.typescriptlang.org) Starter
+# Netlify Next.js cache
 
 [![Build Status](https://github.com/pizzafox/netlify-cache-nextjs/workflows/CI/badge.svg)](https://github.com/pizzafox/netlify-cache-nextjs/actions)
 [![XO code style](https://img.shields.io/badge/code_style-XO-5ed9c7.svg)](https://github.com/xojs/xo)
-[![codecov](https://codecov.io/gh/pizzafox/netlify-cache-nextjs/branch/master/graph/badge.svg)](https://codecov.io/gh/pizzafox/netlify-cache-nextjs)
 
 Cache the `.next` folder in Netlify builds.
+A [Netlify plugin](https://www.netlify.com/build/plugins-beta/).
 
-## Prequisites
+## Usage
+
+This is a Netlify plugin, which will run during your Netlify builds.
+As of now, Netlify plugins are in closed beta.
+You can learn more about them, and apply for the beta [here](https://www.netlify.com/build/plugins-beta/).
+
+## Contributing
+
+### Prequisites
 
 This project uses [Node.js](https://nodejs.org) 12 to run.
 
@@ -18,12 +26,12 @@ yarn install
 # or `pnpm install`
 ```
 
-## Building
+### Building
 
 Run the `build` script to compile the TypeScript into the `tsc_output` folder.
 This will compile the `src` and the `test` directory, so be careful not to upload the whole folder as a published package.
 
-## Style
+### Style
 
 This project uses [Prettier](https://prettier.io) and [XO](https://github.com/xojs/xo).
 
@@ -41,7 +49,7 @@ yarn run lint
 
 Note that XO will also error if you have TypeScript errors, not just if your formatting is incorrect.
 
-## Linting
+### Linting
 
 This project uses [XO](https://github.com/xojs/xo) (which uses [ESLint](https://eslint.org) and some plugins internally) to perform static analysis on the TypeScript.
 It reports things like unused variables or not following code conventions.
@@ -51,17 +59,3 @@ yarn run lint
 ```
 
 Note that XO will also error if you have incorrect formatting, not just if your TypeScript code has errors.
-
-## Testing
-
-Unit tests are in the `test` folder.
-You can run the tests with the `test` script:
-
-```sh
-yarn run test
-```
-
-### Coverage
-
-This will generate a `coverage` folder which has a breakdown of coverage of the project.
-The CI will upload the coverage information to [CodeCov](https://codecov.io) which can be [viewed here](https://codecov.io/gh/pizzafox/netlify-cache-nextjs).