Examine source code of Minimal Consent

{
  "name": "__MSG_appName__",
  "short_name": "__MSG_appShort__",
  "version": "1.0.9",
  "description": "__MSG_appDesc__",
  "manifest_version": 2,
  "default_locale": "en",
  "background": {
    "scripts": [
      "./background.js"
    ]
  },
  "icons": {
    "16": "./images/icon-16x16-trans.png",
    "32": "./images/icon-32x32-trans.png",
    "48": "./images/icon-48x48-trans.png",
    "128": "./images/icon-128x128-trans.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "https://europe-west1-minimal-consent-chrome-ext.cloudfunctions.net/"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "./contentscript.js"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "browser_action": {
    "default_icon": {
      "16": "./images/icon-16x16-trans.png",
      "32": "./images/icon-32x32-trans.png",
      "48": "./images/icon-48x48-trans.png",
      "128": "./images/icon-128x128-trans.png"
    },
    "default_title": "Minimal Consent",
    "default_popup": "./popup/popup.html"
  },
  "options_ui": {
    "page": "./options/options.html",
    "open_in_tab": true
  }
}