Examine source code of plugilo

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "version": "5.0.1",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "default_locale": "en",
  "permissions": [
    "activeTab",
    "tabs",
    "alarms",
    "windows",
    "https://plugilo.com/*",
    "https://*.plugilo.com/*",
    "https://*.dev.plugilo.com/*"
  ],
  "content_security_policy": "script-src 'self' 'wasm-unsafe-eval' http://localhost:3310; object-src 'self'",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Save to plugilo"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{19efc5dd-86bf-452a-b61b-a1681922c5d2}"
    }
  }
}