Examine source code of Sprint Mate

{
  "manifest_version": 2,
  "name": "Sprint Mate",
  "description": "FastLane for Jira - drive a Jira ticket through your team's status flow in one click.",
  "version": "1.1.0",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "*://*.atlassian.net/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "sprint-mate@halfconsole.dev",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "web_accessible_resources": [
    "jira-bridge.js",
    "content-scripts/jira.css"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.atlassian.net/*"
      ],
      "js": [
        "content-scripts/jira.js"
      ]
    }
  ],
  "browser_action": {
    "default_title": "Sprint Mate - FastLane for Jira"
  }
}