Examine source code of StreamNowBlock

{
  "manifest_version": 3,
  "name": "StreamNowBlock",
  "version": "1.0.0",
  "description": "Bloqueur de publicités gratuit, léger et rapide. Bloque les pubs, trackers, popups, bannières de cookies et murs anti-adblock.",
  "author": "StreamNow",
  "homepage_url": "https://github.com/StreamNow/StreamNowBlock",
  "browser_specific_settings": {
    "gecko": {
      "id": "streamnowblock@streamnow.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "storage",
    "declarativeNetRequest",
    "declarativeNetRequestFeedback",
    "activeTab",
    "tabs",
    "webNavigation"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "StreamNowBlock"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "content.css"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "ads",
        "enabled": true,
        "path": "rules/ads.json"
      },
      {
        "id": "trackers",
        "enabled": true,
        "path": "rules/trackers.json"
      },
      {
        "id": "annoyances",
        "enabled": true,
        "path": "rules/annoyances.json"
      }
    ]
  },
  "minimum_chrome_version": "109",
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  }
}