feat: LogTestController 추가

api/src/main/kotlin/com/mashup/dojo/LogTestController.kt

@@ -0,0 +1,28 @@
+package com.mashup.dojo
+
+import io.swagger.v3.oas.annotations.Hidden
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+
+@Hidden
+@RestController
+@RequestMapping("/log")
+class LogTestController {
+
+    companion object {
+        private val logger: Logger = LoggerFactory.getLogger(LogTestController::class.java)
+    }
+
+    @GetMapping("/warn")
+    fun logWarn() {
+        logger.warn("WARN TEST!!")
+    }
+
+    @GetMapping("/error")
+    fun logError() {
+        logger.error("ERROR TEST!")
+    }
+}