Add Group List

src/main/kotlin/de/steamwar/data/Groups.kt

@@ -59,5 +59,9 @@ class Groups {
             newGroup.fights.add(fight)
             kGroupsFile.writeBytes(Cbor.encodeToByteArray(groups))
         }
+
+        fun getAllGroups(): List<String> {
+            return groups.groups.map { it.name }
+        }
     }
 }

src/main/kotlin/de/steamwar/routes/Data.kt

@@ -1,7 +1,7 @@
 package de.steamwar.routes
 
 import de.steamwar.ResponseError
-import de.steamwar.sql.SQLWrapperImpl
+import de.steamwar.data.Groups
 import de.steamwar.sql.SchematicType
 import de.steamwar.sql.SteamwarUser
 import de.steamwar.sql.loadSchematicTypes
@@ -50,5 +50,8 @@ fun Routing.configureDataRoutes() {
         get {
             call.respondText("Hello World!")
         }
+        get("/groups") {
+            call.respond(Groups.getAllGroups())
+        }
     }
 }