Port roller from @Pouncy's karelia version

.gitignore

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+**/__pycache__
+yaboli
+websockets
+join_rooms.py
+*.cookie

roller.py

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+import asyncio
+import random
+
+import yaboli
+from yaboli.utils import *
+
+# List of rooms kept in separate file, which is .gitignore'd
+import join_rooms
+
+
+ROLL = r"[!/]roll (\d+)d(\d+)\s*(\+\s*(\d+))?"
+
+class Roller(yaboli.Bot):
+	async def send(self, room, message):
+		long_help = (
+			"!roll 2d4 - roll 2 4-sided dice\n"
+			"!roll 2d4+5 - roll 2 4-sided dice with a bonus of 5\n"
+			"/roll can be used instead of !roll.\n"
+		)
+		await self.botrulez_ping_general(room, message)
+		await self.botrulez_ping_specific(room, message)
+		await self.botrulez_help_general(room, message, help_text="I roll dice")
+		await self.botrulez_help_specific(room, message, help_text=long_help)
+		await self.botrulez_uptime(room, message)
+		await self.botrulez_kill(room, message)
+		await self.botrulez_restart(room, message)
+
+		await self.trigger_roll(room, message)
+
+	forward = send
+
+	@yaboli.trigger(ROLL)
+	async def trigger_roll(self, room, message, match):
+		amount = int(match.group(1))
+		sides = int(match.group(2))
+		bonus = match.group(4)
+		if bonus:
+			bonus = int(bonus)
+
+		results = [random.randint(1, sides) for roll in range(amount)]
+		result = sum(results)
+		resultstr = ", ".join(str(r) for r in results)
+
+		if bonus is not None:
+			text = f"{result + bonus}: {resultstr} + {bonus}"
+		else:
+			text = f"{result}: {resultstr}"
+
+		await room.send(text, message.mid)
+
+def main():
+	bot = Roller("Roller", "roller.cookie")
+	join_rooms.join_rooms(bot)
+	asyncio.get_event_loop().run_forever()
+
+if __name__ == "__main__":
+	main()