Examine source code of Screenshot Steps - Screen Capture & Editor

{
  "manifest_version": 2,
  "name": "Screenshot Steps - Screen Capture & Editor",
  "version": "1.0.0",
  "description": "Take full page and selected area screenshots. Edit, annotate, blur, crop, copy, and export as PNG, JPG, or PDF guides.",
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "unlimitedStorage",
    "contextMenus",
    "<all_urls>",
    "https://api.notion.com/*",
    "https://api.github.com/*",
    "https://hooks.slack.com/*",
    "https://*.atlassian.net/*",
    "https://*.atlassian.com/*"
  ],
  "background": {
    "page": "background/background.html",
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content-script.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "web_accessible_resources": [
    "editor/*",
    "lib/*",
    "content/*",
    "icons/*"
  ],
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+S",
        "mac": "Command+Shift+S"
      },
      "description": "Open Screenshot Steps - Screen Capture & Editor"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "stepsnap@example.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}