Examine source code of Odoo Easy Debug

{
  "name": "Odoo Easy Debug",
  "version": "3.0.0.0",
  "manifest_version": 2,
  "description": "This extension changes to debug mode and vice-versa in Odoo ERP",
  "icons": {
    "128": "icons/default-off.png"
  },
  "browser_action": {
    "default_title": "Click to activate odoo debug mode"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options/options.html"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "commands": {
    "toggle-debug": {
      "suggested_key": {
        "default": "Ctrl+Shift+Period",
        "mac": "Command+Shift+Period",
        "windows": "Ctrl+Shift+Period",
        "linux": "Ctrl+Shift+Period"
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "contentScript.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "pageScript.js"
  ],
  "developer": {
    "name": "TheBigTester",
    "url": "https://github.com/TheBigTester/Odoo-Easy-Debug"
  },
  "applications": {
    "gecko": {
      "id": "{a0f88751-df67-4902-8da4-543cc4ce3d48}"
    }
  }
}