Implemented the return type of the send function; #30

Job	Run time
📦 Build the source distribution	13s
Tests on 3.8	5m 57s
Tests for Kafka 0.8.2.2	15m 9s
Tests on 3.9	5m 45s
Tests for Kafka 0.9.0.1	3m 6s
Tests on 3.10	5m 5s
Tests for Kafka 0.10.2.2	4m 2s
📦 Publish to PyPI	0s
Tests on 3.11	5m 59s
Tests for Kafka 0.11.0.2	4m 34s
Tests on 3.12	5m 29s
Tests for Kafka 0.11.0.3	4m 51s
Tests on pypy3.9	8m 15s
Tests for Kafka 1.1.1	5m 57s
Tests on ~3.13.0-0	3m 1s
Tests for Kafka 2.4.0	6m 6s
Tests for Kafka 2.5.0	4m 57s
Tests for Kafka 2.6.0	4m 51s
✅ Ensure the required checks passing	4s
	1h 33m 21s

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