opsdroid skill to wave at someone

wave.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "from opsdroid.matchers import match_regex"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "@match_regex(r'hello', case_sensitive=False)\n",
    "async def wave(opsdroid, config, message):\n",
    "    await message.respond('👋')"
   ]
  }
 ],
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