Examine source code of Jira Release Helper

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Jira Release Helper",
  "description": "Adds release-focused insights in Jira release pages.",
  "version": "1.1.2",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "storage",
    "scripting",
    "tabs"
  ],
  "optional_host_permissions": [
    "https://*/projects",
    "https://*/projects/",
    "https://*/projects/*",
    "https://*/projects/*/versions",
    "https://*/projects/*/versions/",
    "https://*/projects/*/versions/*",
    "https://*/browse/*/fixforversion",
    "https://*/browse/*/fixforversion/",
    "https://*/browse/*/fixforversion/*",
    "http://*/projects",
    "http://*/projects/",
    "http://*/projects/*",
    "http://*/projects/*/versions",
    "http://*/projects/*/versions/",
    "http://*/projects/*/versions/*",
    "http://*/browse/*/fixforversion",
    "http://*/browse/*/fixforversion/",
    "http://*/browse/*/fixforversion/*"
  ],
  "background": {
    "service_worker": "src/background/worker.js"
  },
  "action": {
    "default_title": "Jira Release Helper",
    "default_popup": "popup/popup.html"
  },
  "options_page": "options/options.html"
}