Examine source code of Better Blackboard

{
  "manifest_version": 3,
  "name": "Better Blackboard",
  "permissions": [
    "storage",
    "declarativeNetRequest",
    "declarativeNetRequestWithHostAccess",
    "cookies",
    "scripting",
    "tabs"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "host_permissions": [
    "https://extensionpay.com/*",
    "https://basic-doc-viewer.us.api.blackboard.com/*",
    "*://*.blackboard.com/*",
    "*://blackboard.com/*",
    "*://*.blackboardcdn.com/*",
    "*://blackboardcdn.com/*",
    "*://*.edge.sdk.awswaf.com/*",
    "*://*.browser-intake-datadoghq.com/*"
  ],
  "action": {
    "default_popup": "src/options/index.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "assets/extpay_content.js-loader-CxmmbpxG.js"
      ],
      "matches": [
        "https://extensionpay.com/*"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "public/icon.svg",
    "32": "public/icon.svg",
    "64": "public/icon.svg",
    "128": "public/icon.svg",
    "512": "public/icon.svg"
  },
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "ruleset",
        "enabled": true,
        "path": "rules.json"
      }
    ]
  },
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "src/options/index.html",
        "src/content/helpers/toast.js",
        "src/setup/index.html",
        "src/content/helpers/contentScript.js"
      ],
      "use_dynamic_url": false
    },
    {
      "matches": [
        "https://extensionpay.com/*"
      ],
      "resources": [
        "assets/_commonjsHelpers-lGe4XDVY.js",
        "assets/extpay_content.js-DQVbqAUs.js"
      ],
      "use_dynamic_url": false
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "resources": [
        "assets/core-CAnQOW2u.js",
        "assets/constants-BW03SVLr.js",
        "assets/optionsApi-DyUjWYxJ.js",
        "assets/options-CJQz96Dd.js",
        "assets/theme-BsZJ4uSU.js",
        "assets/_commonjsHelpers-lGe4XDVY.js",
        "content.js"
      ],
      "use_dynamic_url": false
    }
  ],
  "version": "26.2.6",
  "browser_specific_settings": {
    "gecko": {
      "id": "better-blackboard@tjs",
      "strict_min_version": "109.0"
    }
  },
  "description": "A comprehensive suite of enhancements for the Blackboard Software"
}