Examine source code of Filter Jobs Feeds

{
  "name": "Filter Jobs Feeds",
  "description": "A browser extension for filtering jobs feeds by blacklisting text",
  "icons": {
    "128": "assets/filterJobsFeeds.png"
  },
  "version": "2.0.0",
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "settings/opener/opener.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.linkedin.com/*",
        "https://wellfound.com/*"
      ],
      "js": [
        "main/main.js"
      ],
      "css": [
        "shared/vars.module.css",
        "main/main.css"
      ]
    }
  ],
  "author": "Eve Aviv Keinan",
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "evavkein@gmail.com"
    }
  }
}