Examine source code of diffs.dev

{
  "manifest_version": 3,
  "name": "diffs.dev",
  "version": "0.0.9",
  "description": "Streamlines opening diffs in the diffs.dev Diff Viewer.",
  "permissions": [
    "tabs",
    "storage",
    "contextMenus"
  ],
  "icons": {
    "128": "favicon.png"
  },
  "action": {
    "default_title": "diffs.dev",
    "default_icon": {
      "128": "favicon.png"
    },
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "worker.js"
    ],
    "type": "module"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "patch-roulette@papermc.io"
    }
  }
}