Examine source code of BetterLectio

{
  "manifest_version": 2,
  "name": "Better Lectio",
  "description": "Gør Lectio suverent bedre. Installér mobil appen også!",
  "version": "0.0.37",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "author": "Jonathan Bangert <betterlectio@jonathanb.dk>",
  "homepage_url": "https://github.com/jonbng/betterlectio",
  "permissions": [
    "activeTab",
    "storage",
    "https://uyyqxwlojqvbpukxgxem.supabase.co/*",
    "https://eu.i.posthog.com/*"
  ],
  "web_accessible_resources": [
    "assets/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c3b94c3b-a7d2-4130-9adc-75cc174b0aaa}",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.lectio.dk/*"
      ],
      "css": [
        "content-scripts/content.css"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    },
    {
      "matches": [
        "*://*.lectio.dk/*"
      ],
      "all_frames": true,
      "run_at": "document_start",
      "js": [
        "content-scripts/elevfeedback-frame.js"
      ]
    },
    {
      "matches": [
        "*://*.lectio.dk/*"
      ],
      "run_at": "document_start",
      "css": [
        "content-scripts/hide-flash.css"
      ],
      "js": [
        "content-scripts/hide-flash.js",
        "content-scripts/website-login-capture.js"
      ]
    },
    {
      "matches": [
        "*://www.lectio.dk/",
        "*://www.lectio.dk/index.html*",
        "*://www.lectio.dk/lectio/login_list.aspx*"
      ],
      "run_at": "document_end",
      "css": [
        "content-scripts/login.css"
      ],
      "js": [
        "content-scripts/login.js"
      ]
    },
    {
      "matches": [
        "*://www.lectio.dk/lectio/*/default.aspx*"
      ],
      "run_at": "document_start",
      "js": [
        "content-scripts/redirect-forside.js"
      ]
    },
    {
      "matches": [
        "*://*.lectio.dk/*"
      ],
      "run_at": "document_start",
      "js": [
        "content-scripts/session-renew.js"
      ],
      "world": "MAIN"
    }
  ],
  "browser_action": {
    "default_title": "Better Lectio"
  }
}