Examine source code of APEX Reactant

{
  "author": "Catalyst Fire",
  "name": "APEX Reactant",
  "description": "Tool for SQL autocomplete and table/column lookup in Oracle APEX",
  "version": "1.0",
  "manifest_version": 2,
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*/f?p*",
        "https://*/*/f?p*",
        "http://*/f?p*",
        "https://*/f?p*"
      ],
      "js": [
        "APEXScript.js"
      ]
    }
  ],
  "permissions": [
    "clipboardRead",
    "storage",
    "activeTab"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "/images/favicon.png",
      "32": "/images/favicon.png",
      "48": "/images/favicon.png",
      "128": "/images/favicon.png"
    }
  }
}