Examine source code of Fleeting Notes

{
  "name": "Fleeting Notes",
  "description": "Quick notes from the browser to Obsidian",
  "icons": {
    "16": "/icons/16.png",
    "48": "/icons/48.png",
    "128": "/icons/128.png"
  },
  "version": "0.11.2",
  "browser_action": {
    "default_icon": "/icons/196.png"
  },
  "sidebar_action": {
    "default_icon": {
      "16": "/icons/16.png",
      "32": "/icons/32.png"
    },
    "default_title": "Fleeting Notes",
    "default_panel": "web-ext.html",
    "open_at_install": false
  },
  "background": {
    "scripts": [
      "extension/background2.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "extension/content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "web-ext.html"
  ],
  "permissions": [
    "activeTab",
    "tabs",
    "contextMenus"
  ],
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+E",
        "mac": "Command+Shift+E"
      }
    },
    "create-new-note": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y",
        "mac": "Command+Shift+Y"
      },
      "description": "Create new note"
    },
    "open-persistent-window": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y",
        "mac": "Command+Shift+Y"
      },
      "description": "Open persistent window"
    }
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{60c06226-2394-462c-a264-365cc3decefd}"
    }
  }
}