feat: add SwaggerConfig

src/main/kotlin/com/dobby/backend/presentation/api/config/SwaggerConfig.kt

@@ -0,0 +1,34 @@
+package com.dobby.backend.presentation.api.config
+
+import io.swagger.v3.oas.annotations.OpenAPIDefinition
+import io.swagger.v3.oas.annotations.info.Contact
+import io.swagger.v3.oas.annotations.info.Info
+import io.swagger.v3.oas.annotations.servers.Server
+import io.swagger.v3.oas.models.Components
+import io.swagger.v3.oas.models.OpenAPI
+import io.swagger.v3.oas.models.security.SecurityRequirement
+import io.swagger.v3.oas.models.security.SecurityScheme
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+
+@OpenAPIDefinition(
+    servers = [Server(
+        url = "/",
+        description = "Default Server URL"
+    )],
+    info = Info(
+        title = "그라밋 백엔드 API 명세",
+        description = "그라밋 Swagger 문서입니다.",
+        version = "1.0",
+        contact = Contact(name = "깃허브 주소", url = "https://github.com/YAPP-Github/25th-Web-Team-2-BE/")
+    )
+)
+@Configuration
+class SwaggerConfig {
+    @Bean
+    fun openAPI(): OpenAPI = OpenAPI()
+        .addSecurityItem(SecurityRequirement().addList("JWT 토큰"))
+        .components(
+            Components().addSecuritySchemes("JWT 토큰",
+            SecurityScheme().type(SecurityScheme.Type.HTTP).scheme("Bearer").bearerFormat("JWT")))
+}