Add README

examples/echobot.py

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+import asyncio
+
+import yaboli
+
+class EchoBot(yaboli.Bot):
+    DEFAULT_NICK = "EchoBot"
+    HELP_GENERAL = "/me echoes back what you said"
+    HELP_SPECIFIC = [
+            "This bot only has one command:",
+            "!echo <text> – reply with exactly <text>",
+    ]
+
+    def __init__(self):
+        super().__init__()
+        self.register_botrulez()
+        self.register_general("echo", self.cmd_echo)
+
+    async def started(self):
+        await self.join("test")
+
+    async def cmd_echo(self, room, message, args):
+        await message.reply(args.raw)
+
+async def main():
+    bot = EchoBot()
+    await bot.run()
+
+if __name__ == "__main__":
+    asyncio.run(main())