manifest.json

{
  "manifest_version": 3,
  "name": "Church Bulk Text",
  "description": "Send templated text messages through Google Messages using your phone number.",
  "version": "2.0.1",
  "web_accessible_resources": [{
    "resources": [],
    "matches": [],
    "extension_ids": []
  }
  ],
  "icons": {
    "48": "icons/icon_48.png",
    "96": "icons/icon_96.png"
  },
  "content_scripts": [
    {
      "matches": ["https://messages.google.com/web/*"],
      "js": [
        "vendor/browser-polyfill.min.js",
        "vendor/papaparse.min.js",
        "contentScripts/utils.js",
        "contentScripts/googleMessagesBulkText.js"
      ],
      "all_frames": true,
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "tabs"
  ],
  "action": {
    "default_icon": {
      "96": "icons/icon_96.png"
    },
    "default_popup": "browserAction/popup.html",
    "default_title": "Church Bulk Text"
  }
}