Examine source code of compiler

{
  "manifest_version": 2,
  "name": "Beastify",
  "version": "1.1resigned1",
  "description": "Adds a browser action icon to the toolbar. Click the button to choose a beast. The active tab's body content is then replaced with a picture of the chosen beast. See https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Examples#beastify",
  "icons": {
    "48": "icons/icon.png"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_icon": "icons/icon.png",
    "default_title": "Beastify",
    "default_popup": "something.html"
  },
  "background": {
    "scripts": [
      "mood.js",
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{980a97c6-2b5c-41ca-9377-d3bed35ddf6f}"
    }
  }
}