Examine source code of Jira Instant Update

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    "gecko": {
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    }
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  "manifest_version": 3,
  "name": "Jira Instant Update",
  "short_name": "Jira Instant Update",
  "version": "1.0.8",
  "icons": {
    "16": "icon3-16.png",
    "48": "icon3-48.png",
    "64": "icon3-64.png",
    "128": "icon3-128.png"
  },
  "description": "Instantly see Jira ticket updates.",
  "host_permissions": [
    "*://jira.mongodb.org/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icon3-128.png"
      ],
      "matches": [
        "*://jira.mongodb.org/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "*://jira.mongodb.org/*"
      ],
      "all_frames": false,
      "js": [
        "script.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_idle"
    }
  ]
}