Add example. Simple Echo bot.

examples/echo_bot.py

@@ -0,0 +1,43 @@
+import asyncio
+import logging
+
+from aiogram.bot import AIOGramBot
+from aiogram.dispatcher import Dispatcher
+
+API_TOKEN = 'BOT TOKEN HERE'
+
+logging.basicConfig(level=logging.INFO)
+
+loop = asyncio.get_event_loop()
+bot = AIOGramBot(token=API_TOKEN, loop=loop)
+dp = Dispatcher(bot)
+
+
+@dp.message_handler(commands=['start', 'help'])
+async def send_welcome(message):
+    await message.reply("Hi!\nI'm EchoBot!\nPowered by aiogram.")
+
+
+@dp.message_handler(regexp='(^cat[s]?$|puss)')
+async def cats(message):
+    with open('data/cats.jpg', 'rb') as photo:
+        await bot.send_photo(message.chat.id, photo, caption='Cats is here 😺',
+                             reply_to_message_id=message)
+
+
+@dp.message_handler()
+async def echo(message):
+    await bot.send_message(message.chat.id, message.text)
+
+
+async def main():
+    count = await dp.skip_updates()
+    print(f"Skipped {count} updates.")
+    await dp.start_pooling()
+
+
+if __name__ == '__main__':
+    try:
+        loop.run_until_complete(main())
+    except KeyboardInterrupt:
+        loop.stop()