pint/public/manifest.json

{
  "manifest_version": 3,
  "name": "Pint for GitHub",
  "version": "2.0",

  "icons": {
    "16": "pint-logo.png",
    "48": "pint-logo.png",
    "128": "pint-logo.png"
  },

  "action": {
      "default_icon": {
          "16": "pint-logo.png",
          "24": "pint-logo.png",
          "32": "pint-logo.png"
      },
      "default_title": "Pint for GitHub",
      "default_popup": "index.html"

  },

  "description": "pint is a browser extension that makes your github experience colorful, just the way you like it",

  "author": {
      "name": "Jariel Que",
      "url": "https://github.com/fuwaa"
  },

  "host_permissions": [
      "https://*.github.com/"
  ],

  "content_scripts": [{
      "run_at": "document_end",
      "matches": ["https://*.github.com/*"],
      "js": ["onload.js"],
      "css": ["main.css"]
  }],

  "permissions": [
      "storage",
      "scripting"
  ],
  "background": {
      "service_worker": "background.js"
  }

}