Examine source code of BibItNow!

{
  "manifest_version": 2,
  "name": "BibItNow!",
  "version": "0.908",
  "description": "Instantly generates a Bibtex, RIS, Endnote, APA, MLA or (B)Arnold S. bibliography item from journal articles, books, theses, or generic webpages!",
  "applications": {
    "gecko": {
      "id": "bibitnow018@aqpl.mc2.chalmers.se",
      "strict_min_version": "57.0"
    }
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "browser_action": {
    "browser_style": false,
    "default_icon": {
      "19": "icons/icon-19.png",
      "38": "icons/icon-38.png"
    },
    "default_title": "Bib it now! (DEFAULT SHORTCUT: ALT+C)",
    "default_popup": "popup/popup.html"
  },
  "options_ui": {
    "page": "description.html",
    "browser_style": true,
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "background/background_url.js",
      "background/background_resources.js",
      "background/parser/background_schema.js",
      "background/parser/background_parse_bib.js",
      "background/background_interaction.js",
      "background/background_load.js"
    ]
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+C",
        "linux": "Alt+C",
        "mac": "Alt+C",
        "windows": "Alt+C"
      }
    },
    "browser_action_autocopy": {
      "suggested_key": {
        "default": "Alt+W",
        "linux": "Alt+W",
        "mac": "Alt+W",
        "windows": "Alt+W"
      },
      "description": "Opens the BibItNow! popup and copies the citation text/redirection link automatically to clipboard if auto copy option enabled."
    },
    "browser_action_autodownload": {
      "suggested_key": {
        "default": "Alt+Q",
        "linux": "Alt+Q",
        "mac": "Alt+Q",
        "windows": "Alt+Q"
      },
      "description": "Opens the BibItNow! popup and downloads the citation automatically."
    }
  },
  "omnibox": {
    "keyword": "doi"
  },
  "optional_permissions": [
    "clipboardWrite",
    "*://citation-needed.springer.com/*"
  ],
  "permissions": [
    "activeTab",
    "storage"
  ]
}