public String getBaseUrl() {
        return baseUrl;
    }
build base url for manager according to config

example(http)  - http://127.0.0.1:8080/inlong/manager/openapi
example(https) - https://127.0.0.1:8080/inlong/manager/openapi
inlong-agent/agent-common/src/main/java/org/apache/inlong/agent/utils/HttpManager.java