docs: add banner

Author: shellscape

.github/funding.yml

@@ -1,4 +1,3 @@
-github: shellscape
 patreon: shellscape
 custom: https://paypal.me/shellscape
-liberpay: shellscape
+liberapay: shellscape

README.md

@@ -7,6 +7,8 @@
 [size]: https://packagephobia.now.sh/badge?p=prettier-plugin-package
 [size-url]: https://packagephobia.now.sh/result?p=prettier-plugin-package
 
+![banner](https://raw.githubusercontent.com/shellscape/prettier-plugin-package/master/assets/banner.svg?sanitize=true)
+
 # prettier-plugin-package [![tests][tests]][tests-url] [![cover][cover]][cover-url] [![size][size]][size-url] [![libera manifesto](https://img.shields.io/badge/libera-manifesto-lightgrey.svg)](https://liberamanifesto.com)
 
 
@@ -32,6 +34,8 @@ npm install prettier prettier-plugin-package --save-dev
   <img src="https://c5.patreon.com/external/logo/become_a_patron_button@2x.png" width="160">
 </a>
 
+_Please consider donating if you find this project useful._
+
 ## Usage
 
 Once installed, [Prettier plugins](https://prettier.io/docs/en/plugins.html) should be automatically recognized by Prettier. To use this plugin, confirm that it's installed and run Prettier using your preferred method. For example:

test/snapshots/test.js.md

@@ -28,8 +28,9 @@ Generated by [AVA](https://ava.li).
         "ci:test": "npm run test -- --verbose",␊
         "commitlint": "commitlint",␊
         "commitmsg": "commitlint -e $GIT_PARAMS",␊
-        "lint": "eslint --fix --cache lib test",␊
+        "lint": "eslint --fix --cache lib test && prettier --write package.json",␊
         "lint-staged": "lint-staged",␊
+        "prepublishOnly": "npm run lint",␊
         "security": "npm audit",␊
         "test": "ava"␊
       },␊