Examine source code of SaveIt.now

{
  "manifest_version": 2,
  "name": "SaveIt.now",
  "version": "1.0.0",
  "description": "Organize nothing. Find everything.",
  "author": "@melvynxdev",
  "homepage_url": "https://saveit.now",
  "browser_action": {
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png",
      "256": "images/icon256.png"
    },
    "default_title": "SaveIt.now"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "activeTab",
    "storage",
    "contextMenus",
    "cookies",
    "https://saveit.now/*"
  ],
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png",
    "256": "images/icon256.png"
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "web_accessible_resources": [
    "images/*",
    "content.css"
  ],
  "applications": {
    "gecko": {
      "id": "saveit-now@melvynxdev.com",
      "strict_min_version": "58.0"
    }
  }
}