(chore):add swagger config (#308)

launchers/standalone/src/main/java/com/tencent/supersonic/config/SwaggerConfig.java

@@ -0,0 +1,22 @@
+package com.tencent.supersonic.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import springfox.documentation.builders.PathSelectors;
+import springfox.documentation.builders.RequestHandlerSelectors;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spring.web.plugins.Docket;
+import springfox.documentation.swagger2.annotations.EnableSwagger2;
+
+@Configuration
+@EnableSwagger2
+public class SwaggerConfig {
+  @Bean
+  public Docket api() {
+    return new Docket(DocumentationType.SWAGGER_2)
+        .select()
+        .apis(RequestHandlerSelectors.any())
+        .paths(PathSelectors.any())
+        .build();
+  }
+}