Examine source code of Jira Worklog Calendar

{
  "manifest_version": 2,
  "name": "Jira Worklog Calendar",
  "description": "Shows your daily, weekly, and monthly worklog totals on Jira Cloud boards, issue pages, and other Jira app views.",
  "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",
    "tabs",
    "*://*.atlassian.net/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "jira-worklog-calendar@addon",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Worklog Calendar",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.atlassian.net/*"
      ],
      "run_at": "document_idle",
      "js": [
        "content-scripts/jira-board.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "content-scripts/jira-board.css"
  ]
}