Examine source code of Don't Touch My Selection

{
  "manifest_version": 2,
  "name": "Don't Touch My Selection",
  "version": "1.4",
  "description": "Prevents the anti-selection scripts from web pages.",
  "author": "Ekin Karadeniz (iamdual@icloud.com)",
  "permissions": [
    "activeTab"
  ],
  "icons": {
    "48": "icons/dtms-48.png",
    "96": "icons/dtms-96.png"
  },
  "browser_action": {
    "default_title": "Prevent anti-selection",
    "default_icon": "icons/dtms.svg"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e3475a98-fc5e-48fd-a5ea-c4304803a944}"
    }
  }
}