Examine source code of Aula Fixer

{
  "manifest_version": 3,
  "name": "Aula Fixer",
  "version": "1.5.3",
  "description": "Removes all notifications about rooms for rent etc. on Aula and changes styling so that less screen space is wasted.",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://coventry.aula.education/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "host_permissions": [
    "https://raw.githubusercontent.com/TussockyJoker/Aula-Fixer/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "keywords.txt"
      ],
      "matches": [
        "https://coventry.aula.education/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "aula-fixer@tussockyjoker.com"
    }
  }
}