Examine source code of Denkzettel

{
  "applications": {
    "gecko": {
      "id": "ext@example.org"
    }
  },
  "default_locale": "de",
  "name": "__MSG_extension_name__",
  "description": "__MSG_extension_description__",
  "version": "0.4.2resigned1",
  "background": {
    "persistent": true,
    "scripts": [
      "global.js",
      "init/settings.js",
      "helpers/error.js",
      "background.js",
      "events.js"
    ]
  },
  "icons": {
    "16": "denkzettel_logo.png",
    "48": "denkzettel_logo.png",
    "128": "denkzettel_logo.png"
  },
  "permissions": [
    "notifications",
    "storage",
    "tabs",
    "contextMenus",
    "https://denkzettel.social/"
  ],
  "browser_action": {
    "default_title": "Denkzettel",
    "default_icon": "denkzettel_logo.png",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "css": [
        "notes.css",
        "animate.css"
      ],
      "js": [
        "denkzettel.js",
        "jquery.js",
        "anchorme.min.js",
        "global.js",
        "init/settings.js",
        "init/userdata.js",
        "init/template.js",
        "helpers/dom.js",
        "helpers/selector.js",
        "helpers/like.js",
        "helpers/error.js",
        "helpers/template.js",
        "helpers/userdata.js",
        "helpers/rendernote.js",
        "content_listener.js",
        "content.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    },
    {
      "all_frames": true,
      "css": [],
      "js": [
        "signout.js",
        "noauth.js"
      ],
      "matches": [
        "https://denkzettel.social/*"
      ]
    }
  ],
  "web_accessible_resources": [
    "template.html",
    "icons/*"
  ],
  "manifest_version": 2,
  "content_security_policy": "script-src 'self'; object-src 'self'"
}