feat: add customizations dump (data and icons)

src/dumper/main.cs

@@ -15,6 +15,7 @@ var dumpTasks = new (string Name, Action Execute)[]
     ("character", () => { dumper.DumpCharacters(); dumper.DumpCharacterIcons(); }),
     ("item",      () => { dumper.DumpItems();      dumper.DumpItemIcons(); }),
     ("offering",  () => { dumper.DumpOfferings();  dumper.DumpOfferingIcons(); }),
+    ("customizations", () => { dumper.DumpCustomizations(); dumper.DumpCustomizationIcons(); }),
     ("dlc", () => { dumper.DumpDLCs(); })
 };