Add OpenAPI route and server

src/main/kotlin/fr/dcproject/Application.kt

@@ -186,6 +186,7 @@ fun Application.module(env: Env = PROD) {
             commentConstitution(get())
             voteArticle(get(), get(), get())
             voteConstitution(get())
+            definition()
         }
     }
 

src/main/kotlin/fr/dcproject/routes/OpenAPI.kt

@@ -0,0 +1,18 @@
+package fr.dcproject.routes
+
+import fr.dcproject.utils.readResource
+import io.ktor.application.call
+import io.ktor.http.ContentType
+import io.ktor.locations.KtorExperimentalLocationsAPI
+import io.ktor.response.respondText
+import io.ktor.routing.Route
+import io.ktor.routing.get
+import io.ktor.util.KtorExperimentalAPI
+
+@KtorExperimentalLocationsAPI
+@KtorExperimentalAPI
+fun Route.definition() {
+    get("/") {
+        call.respondText("/openApi.yaml".readResource(), ContentType("text", "yaml"))
+    }
+}

src/main/kotlin/fr/dcproject/utils/Resources.kt

@@ -0,0 +1,7 @@
+package fr.dcproject.utils
+
+fun String.readResource(callbak: (String) -> Unit = {}): String {
+    val content = callbak::class.java.getResource(this).readText()
+    callbak(content)
+    return content
+}