Examine source code of todoist-shortcuts

{
  "name": "Todoist Shortcuts (GMail / vim inspired)",
  "short_name": "Todoist Keys",
  "author": "Michael Sloan",
  "description": "Adds a comprehensive suite of keyboard shortcuts to Todoist. More info: https://github.com/mgsloan/todoist-shortcuts",
  "version": "206",
  "homepage_url": "https://github.com/mgsloan/todoist-shortcuts",
  "content_scripts": [
    {
      "matches": [
        "https://todoist.com/app*",
        "https://*.todoist.com/app*"
      ],
      "js": [
        "common.js",
        "inject.js"
      ],
      "all_frames": true
    }
  ],
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "mousetrap.js",
        "todoist-shortcuts.js",
        "options-page.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "icons": {
    "128": "icon128.png"
  },
  "action": {
    "default_icon": {
      "128": "icon128.png"
    }
  },
  "options_ui": {
    "page": "options-page.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2ff71f49-5a35-4396-89e3-7913a0d12247}",
      "strict_min_version": "109.0"
    }
  },
  "content_security_policy": {
    "script-src": "'self'"
  },
  "manifest_version": 3
}