Examine source code of Jira Markdown Exporter

{
  "manifest_version": 3,
  "name": "Jira Markdown Exporter",
  "version": "1.1.0",
  "description": "Export Jira Cloud issues to clean Markdown. Open source, no telemetry, uses your existing Jira session.",
  "homepage_url": "https://github.com/topicusonderwijs/plugin-jira-markdown-exporter",
  "permissions": [
    "activeTab",
    "scripting",
    "downloads",
    "clipboardWrite",
    "storage"
  ],
  "host_permissions": [
    "https://*.atlassian.net/*"
  ],
  "optional_host_permissions": [
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "jira-markdown-exporter@topicusonderwijs.github.io",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_popup": "src/popup.html",
    "default_title": "Export this Jira issue to Markdown",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.atlassian.net/*"
      ],
      "js": [
        "src/adfToMarkdown.js",
        "src/jiraToMarkdown.js",
        "src/domScraper.js",
        "src/content.js"
      ],
      "run_at": "document_idle"
    }
  ]
}