Examine source code of Rainbow Blocker

{
  "name": "Rainbow Blocker",
  "description": "__MSG_description__",
  "version": "1.0.0",
  "default_locale": "en",
  "background": {
    "scripts": [
      "./adguard/adguard-api.js",
      "./background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "./adguard/adguard-content.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "match_about_blank": true,
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "./favicons/active/16x16.png",
    "32": "./favicons/active/32x32.png",
    "48": "./favicons/active/48x48.png",
    "128": "./favicons/active/128x128.png"
  },
  "browser_action": {
    "default_title": "Rainbow Blocker",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "./favicons/active/16x16.png",
      "24": "./favicons/active/24x24.png",
      "32": "./favicons/active/32x32.png"
    }
  },
  "manifest_version": 2,
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "webNavigation",
    "http://*/*",
    "https://*/*",
    "ws://*/*",
    "wss://*/*",
    "storage",
    "tabs",
    "unlimitedStorage"
  ]
}