[Feat]: Add a demo of SpringBoot (#46) #93

Job	Run time
basic (go-sql-driver, golang, true) / ci	1m 31s
basic (mybatis-plus, java, false) / ci	1m 41s
basic (mysql-connector-java, java, true) / ci	1m 32s
basic (oceanbase-client, java, true) / ci	1m 36s
basic (mysql-connector-python, python, true) / ci	1m 23s
basic (pymysql, python, true) / ci	1m 20s
basic (mybatis, java, true) / ci	1m 31s
basic (springboot, java, true) / ci	1m 42s
basic (spring-jdbc, java, true) / ci	1m 39s
basic (testcontainers-java, java, false) / ci	1m 30s
	15m 25s

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