WIP new **challenge** sector, to be tested later

src/fos/content/FOSSectors.java

@@ -1,13 +1,14 @@
 package fos.content;
 
+import fos.type.content.ChallengeSectorPreset;
 import mindustry.type.SectorPreset;
 
 import static fos.content.FOSPlanets.lumoni;
 
 public class FOSSectors {
     public static SectorPreset
     /* Serpulo */ siloTerminal,
-    /* Lumoni */ awakening, ruins, intruders, citadel, tinMiningSite, conflict;
+    /* Lumoni */ awakening, ruins, intruders, intrudersChallenge, citadel, tinMiningSite, conflict;
 
     public static void load() {
 /*
@@ -33,6 +34,11 @@ public static void load() {
             captureWave = 31;
         }};
 
+        intrudersChallenge = new ChallengeSectorPreset("intruders-challenge", lumoni, 68){{
+            difficulty = 8;
+            captureWave = 16;
+        }};
+
         citadel = new SectorPreset("citadel", lumoni, 44){{
             difficulty = 4;
             captureWave = 21;

src/fos/content/LumoniTechTree.java

@@ -277,6 +277,7 @@ public static void load() {
                         node(tinMiningSite, Seq.with(new SectorComplete(intruders)), () -> {
                             soontm();
                         });
+                        node(intrudersChallenge, Seq.with(new SectorComplete(intruders)), () -> {});
                     });
                     node(FOSSectors.citadel, Seq.with(new SectorComplete(ruins)), () -> {
                         soontm();

src/fos/type/content/ChallengeSectorPreset.java

@@ -0,0 +1,15 @@
+package fos.type.content;
+
+import arc.Core;
+import mindustry.type.*;
+
+public class ChallengeSectorPreset extends SectorPreset {
+    public ChallengeSectorPreset(String name, Planet planet, int sector) {
+        super(name, planet, sector);
+    }
+
+    @Override
+    public void loadIcon() {
+        uiIcon = fullIcon = Core.atlas.find("fos-challenge");
+    }
+}