Examine source code of DeReddit

{
  "manifest_version": 2,
  "name": "DeReddit",
  "version": "1.4.1",
  "description": "Control your Reddit experience by blocking specific subreddits and main pages",
  "permissions": [
    "storage",
    "webRequest",
    "webRequestBlocking",
    "*://*.reddit.com/*",
    "*://reddit.com/*",
    "tabs"
  ],
  "browser_action": {
    "default_icon": {
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    },
    "default_title": "DeReddit",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/*",
        "*://reddit.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "block-page.html",
    "block-page.js",
    "popup.html",
    "popup.js",
    "icons/icon-48.png",
    "icons/icon-128.png"
  ],
  "icons": {
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ec78c8c0-aab6-457d-b8c7-2ba826ed9c38}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}