Feature/swagger UI (#34)

kompendium-swagger-ui/build.gradle.kts

@@ -0,0 +1,39 @@
+plugins {
+  `java-library`
+  `maven-publish`
+}
+
+dependencies {
+  implementation(platform("org.jetbrains.kotlin:kotlin-bom"))
+  implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
+  implementation(libs.bundles.ktor)
+  api(libs.ktor.webjars)
+  implementation(libs.webjars.swagger.ui)
+  testImplementation("org.jetbrains.kotlin:kotlin-test")
+  testImplementation("org.jetbrains.kotlin:kotlin-test-junit")
+  testImplementation("com.fasterxml.jackson.module:jackson-module-kotlin:2.12.0")
+  testImplementation("io.ktor:ktor-server-test-host:1.5.3")
+}
+
+java {
+  withSourcesJar()
+}
+
+publishing {
+  repositories {
+    maven {
+      name = "GithubPackages"
+      url = uri("https://maven.pkg.github.com/lg-backbone/kompendium")
+      credentials {
+        username = System.getenv("GITHUB_ACTOR")
+        password = System.getenv("GITHUB_TOKEN")
+      }
+    }
+  }
+  publications {
+    create<MavenPublication>("kompendium") {
+      from(components["kotlin"])
+      artifact(tasks.sourcesJar)
+    }
+  }
+}

kompendium-swagger-ui/src/main/kotlin/org/leafygreens/kompendium/swagger/SwaggerUI.kt

@@ -0,0 +1,12 @@
+package org.leafygreens.kompendium.swagger
+
+import io.ktor.application.call
+import io.ktor.response.respondRedirect
+import io.ktor.routing.Routing
+import io.ktor.routing.get
+
+fun Routing.swaggerUI(openApiJsonUrl: String = "/openapi.json") {
+  get("/swagger-ui") {
+    call.respondRedirect("/webjars/swagger-ui/index.html?url=$openApiJsonUrl", true)
+  }
+}