Examine source code of OverCite

{
  "manifest_version": 3,
  "name": "OverCite",
  "version": "0.3.0",
  "description": "Search the literature from Overleaf and insert BibTeX entries directly into your project.",
  "permissions": [
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "https://overleaf.com/*",
    "https://www.overleaf.com/*",
    "https://api.adsabs.harvard.edu/*"
  ],
  "optional_host_permissions": [
    "https://api.crossref.org/*",
    "https://api.datacite.org/*",
    "https://eutils.ncbi.nlm.nih.gov/*",
    "https://export.arxiv.org/*",
    "https://inspirehep.net/*"
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ],
    "service_worker": "src/background.js",
    "type": "module",
    "preferred_environment": [
      "document",
      "service_worker"
    ]
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "options_page": "options.html",
  "action": {
    "default_title": "OverCite",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    }
  },
  "commands": {
    "open-ezcite": {
      "suggested_key": {
        "default": "Alt+Shift+E",
        "mac": "Alt+Shift+E"
      },
      "description": "Open OverCite inside the active Overleaf project"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://overleaf.com/*",
        "https://www.overleaf.com/*"
      ],
      "js": [
        "src/content-script.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "src/page-bridge.js"
      ],
      "matches": [
        "https://overleaf.com/*",
        "https://www.overleaf.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "overcite-addon@example.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "websiteContent"
        ]
      }
    }
  }
}