Examine source code of Editer

{
  "manifest_version": 2,
  "name": "Editer",
  "version": "1.0",
  "description": "Instantly Edit Web Pages in your browser with a single click to instantly edit text and layout elements directly in the browser. Ideal for quick content testing, web design, debugging, meme making, and more!",
  "permissions": [
    "activeTab",
    "scripting",
    "commands"
  ],
  "commands": {
    "toggle-editor": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y",
        "mac": "Command+Shift+Y"
      },
      "description": "Toggles the editer on/off"
    }
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "devVijay@edit.er",
      "strict_min_version": "58.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  }
}