Examine source code of Ruckus

{
  "manifest_version": 2,
  "name": "Ruckus",
  "version": "1.3.1",
  "description": "Your browser's mischievous sidekick. A prettier Ctrl+F, offline PDF and Word tools, and a creature that misbehaves.",
  "author": "Ruckus contributors",
  "homepage_url": "https://github.com/lgubala/Ruckus",
  "permissions": [
    "storage",
    "alarms",
    "tabs",
    "<all_urls>",
    "contextMenus",
    "notifications"
  ],
  "background": {
    "scripts": [
      "core/config.js",
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "core/config.js",
        "core/lines.js",
        "core/sprites.js",
        "content/registry.js",
        "content/particles.js",
        "content/props.js",
        "content/activity.js",
        "content/pet.js",
        "content/search.js",
        "content/mischief/kit.js",
        "content/mischief/tilt.js",
        "content/mischief/flip.js",
        "content/mischief/topple.js",
        "content/mischief/scramble.js",
        "content/mischief/pinch_word.js",
        "content/mischief/pinch_image.js",
        "content/mischief/wheelbarrow.js",
        "content/mischief/roadworks.js",
        "content/mischief/shelfdrop.js",
        "content/mischief/lamp.js",
        "content/mischief/robbery.js",
        "content/mischief.js",
        "content/tools.js",
        "content/treats.js",
        "content/sound.js",
        "content/chatter.js",
        "content/quirks/basics.js",
        "content/quirks/page.js",
        "content/quirks/play.js",
        "content/quirks/critter.js",
        "content/brain.js",
        "content/panel.js",
        "content/main.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_title": "Ruckus",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "commands": {
    "toggle-search": {
      "suggested_key": {
        "default": "Ctrl+Shift+F",
        "mac": "Command+Shift+F"
      },
      "description": "Send Ruckus sniffing for text on this page"
    },
    "toggle-pet": {
      "suggested_key": {
        "default": "Alt+Shift+P",
        "mac": "Alt+Shift+P"
      },
      "description": "Show or hide Ruckus"
    }
  },
  "web_accessible_resources": [
    "ui/*",
    "sounds/*",
    "icons/*",
    "vendor/*",
    "tools/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "ruckus@lgubala.github.io",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "options_ui": {
    "page": "popup/options.html",
    "open_in_tab": true
  }
}