Examine source code of Remove content blocker

{
  "manifest_version": 3,
  "name": "Remove content blocker",
  "version": "1.7.1",
  "description": "This awesome extension will try to remove every content blocker from pages",
  "host_permissions": [
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "script.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{a1592d6f-95e2-4ebc-9295-cb86716ce6db}",
      "strict_min_version": "58.0"
    },
    "gecko_android": {
      "id": "{a1592d6f-95e2-4ebc-9295-cb86716ce6db}",
      "strict_min_version": "1.0"
    }
  },
  "action": {
    "default_icon": {
      "16": "wrench-solid-16.png",
      "48": "wrench-solid-48.png",
      "64": "wrench-solid-64.png",
      "128": "wrench-solid-128.png"
    }
  }
}