Examine source code of anoGWAmo?

{
  "manifest_version": 3,
  "name": "anoGWAmo?",
  "version": "2.4.0",
  "description": "Computes cumulative GWA from PUP SIS grades, excludes non-academic subjects, and checks Latin Honors eligibility.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://sis1.pup.edu.ph/student/grades*",
    "https://sis2.pup.edu.ph/student/grades*",
    "https://sis8.pup.edu.ph/student/grades*"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "anoGWAmo?",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://sis1.pup.edu.ph/student/grades*",
        "https://sis2.pup.edu.ph/student/grades*",
        "https://sis8.pup.edu.ph/student/grades*"
      ],
      "js": [
        "src/content.js"
      ],
      "css": [
        "css/fonts.css",
        "src/gwa-chart.css",
        "src/styles.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ano.gwa.mo@meinard.dev",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}