Examine source code of data.extraction

{
  "name": "data.extraction",
  "version": "1.0.10resigned1",
  "manifest_version": 2,
  "description": "Extract data records from web pages and align their data items",
  "icons": {
    "48": "data/icons/icon48_en-US.png",
    "96": "data/icons/icon96_en-US.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "fadwa.estuka@gmail.com"
    }
  },
  "browser_action": {
    "default_icon": {
      "48": "data/icons/icon48_en-US.png",
      "96": "data/icons/icon96_en-US.png"
    },
    "default_title": "DataExtractor",
    "default_popup": "data/main-panel.html"
  }
}