Examine source code of Stashed.in Extension

{
  "manifest_version": 2,
  "name": "Stashed.in Extension",
  "version": "1.0.0",
  "description": "Save links directly to your Stashed.in boards from any webpage",
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@stashed.in",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "websiteContent",
          "websiteActivity"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "activeTab",
    "storage",
    "https://stashlist-extension-api-production.wolfr13.workers.dev/*",
    "https://stashed.in/*"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Save to Stashed.in"
  },
  "options_ui": {
    "page": "settings.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}