Examine source code of Clipboard Upload

{
  "manifest_version": 2,
  "name": "Clipboard Upload",
  "version": "1.0.1",
  "description": "Paste an image or file straight from the clipboard into any upload field — no saving to disk, no file picker.",
  "browser_specific_settings": {
    "gecko": {
      "id": "clipboard-upload@zen.local",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "clipboardRead",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "run_at": "document_start",
      "js": [
        "src/content/theme.js",
        "src/content/clipboard-upload.js"
      ]
    }
  ],
  "browser_action": {
    "default_title": "Clipboard Upload",
    "default_icon": "icons/icon.svg",
    "default_popup": "src/popup/popup.html"
  },
  "options_ui": {
    "page": "src/options/options.html",
    "open_in_tab": true
  },
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  }
}