Vocal: Send voice notes in Gmail

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Vocal: Send voice notes in Gmail",
  "description": "Send voice recordings in Gmail",
  "version": "12.3.3",
  "short_name": "Vocal",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "homepage_url": "https://vocal.email/",
  "minimum_chrome_version": "116",
  "permissions": [
    "contextMenus",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "*://mail.google.com/*",
    "*://*.vocal.email/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self';"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "*.html",
        "*.js",
        "icon/*"
      ],
      "matches": [
        "https://mail.google.com/*"
      ]
    },
    {
      "resources": [
        "content-scripts/gmail-onboarding.css"
      ],
      "matches": [
        "*://mail.google.com/*"
      ]
    }
  ],
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_title": "Vocal",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://mail.google.com/*"
      ],
      "css": [
        "content-scripts/gmail.css"
      ],
      "js": [
        "content-scripts/gmail-onboarding.js",
        "content-scripts/gmail.js"
      ]
    }
  ]
}