Examine source code of Reddit Feed Filter

{
  "manifest_version": 2,
  "name": "Reddit Feed Filter",
  "version": "1.2",
  "description": "An extension to filter Reddit posts based on specified words.",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "icons": {
    "48": "icons/filter-48.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5d869f9b-ebc6-480d-8f9f-21babe7ccaff}"
    }
  }
}