Front Mirror - One click camera check

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Front Mirror - One click camera check",
  "version": "0.1.2",
  "description": "A one-click camera check, right from the chrome toolbar.",
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "48": "images/icon-48.png",
    "128": "images/icon-128.png"
  },
  "author": "Ritik Sharma",
  "web_accessible_resources": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "<all_urls>"
      ],
      "resources": [
        "modal.html",
        "/camera/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "<all_urls>"
      ],
      "js": [
        "contentScript.js"
      ]
    }
  ],
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_title": "Front Mirror - One click camera check"
  },
  "commands": {
    "inject-script": {
      "suggested_key": {
        "default": "Ctrl+Shift+O",
        "mac": "Command+Shift+O"
      },
      "description": "Inject a script on the page"
    }
  }
}