Examine source code of moodleColorizer

{
  "manifest_version": 2,
  "name": "MoodleColorizer",
  "version": "1.2.7",
  "description": "Adds color coding too Moodle course cards for the physics bachelor's program (676) at Uni Wien.\nPlease note that this extension is currently in early alpha stage and needs lots of further improvement.",
  "icons": {
    "48": "color-wheel.svg",
    "96": "color-wheel.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://moodle.univie.ac.at/my/*"
      ],
      "js": [
        "moodleColorizer.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "storage",
    "<all_urls>",
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "moodleColorizer.elevengluons@gmail.com"
    }
  }
}