Examine source code of SWR DevTools

{
  "name": "SWR DevTools",
  "description": "A DevTool to inspect your SWR cache",
  "version": "1.3.2",
  "manifest_version": 2,
  "icons": {
    "16": "icons/swr-devtools-16.png",
    "48": "icons/swr-devtools-48.png",
    "64": "icons/swr-devtools-64.png",
    "128": "icons/swr-devtools-128.png"
  },
  "devtools_page": "devtools.html",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c2af4311-4e29-4521-a53a-5c3f1f744e06}"
    }
  }
}