[Feat]: Add a demo of SpringBoot #80

Job	Run time
basic (go-sql-driver, golang, true) / ci	1m 34s
basic (mysql-connector-java, java, true) / ci	1m 32s
basic (mysql-connector-python, python, true) / ci	1m 22s
basic (mybatis-plus, java, false) / ci	1m 40s
basic (oceanbase-client, java, true) / ci	1m 34s
basic (pymysql, python, true) / ci	1m 22s
basic (springboot, java, true) / ci	1m 45s
basic (testcontainers-java, java, false) / ci	1m 32s
	12m 21s

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