Preach!

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Preach!",
  "short_name": "Preach!",
  "description": "Preach inserts a 👏 emoji after all the words in text you select and puts the modified text on your clipboard ready to paste.",
  "version": "0.1.1",
  "permissions": [
    "contextMenus",
    "clipboardWrite"
  ],
  "background": {
    "scripts": [
      "index.js"
    ]
  },
  "icons": {
    "16": "icon-bitty.png",
    "48": "icon-small.png",
    "128": "icon-large.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_end"
    }
  ]
}