Edda for Gmail

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Edda for Gmail",
  "description": "Synchronize your Gmail with your Edda account.",
  "version": "1.0.3",
  "content_scripts": [
    {
      "matches": [
        "https://mail.google.com/*",
        "https://inbox.google.com/*"
      ],
      "js": [
        "./content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "service_worker": "background.js"
  },
  "permissions": [
    "scripting"
  ],
  "host_permissions": [
    "https://mail.google.com/",
    "https://inbox.google.com/",
    "https://mail-attachment.googleusercontent.com/"
  ],
  "icons": {
    "16": "./icons/edda-16x16.png",
    "32": "./icons/edda-32x32.png",
    "64": "./icons/edda-64x64.png",
    "128": "./icons/edda-128x128.png"
  },
  "manifest_version": 3
}