Examine source code of Snapify - One Click Screen Capture Tool

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "version": "1.7.0",
  "short_name": "__MSG_extShortName__",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "browser_action": {
    "default_title": "Snapify",
    "default_popup": "popup.html"
  },
  "default_locale": "en",
  "permissions": [
    "activeTab",
    "storage",
    "notifications",
    "<all_urls>"
  ],
  "optional_permissions": [
    "clipboardWrite",
    "clipboardRead",
    "downloads"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{dc374207-80e4-41ea-9317-fd45dc0d97e8}",
      "strict_min_version": "109.0"
    }
  },
  "content_security_policy": "script-src 'self'; object-src 'self';",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "browser_style": false,
    "default_icon": {
      "16": "/icons/16.png",
      "32": "/icons/32.png",
      "48": "/icons/48.png",
      "128": "/icons/128.png"
    },
    "default_title": "Snapify",
    "open_at_install": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "match_about_blank": false,
      "js": [
        "content-scripts/content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "content-scripts/content.css"
  ]
}