feat: dump addons

src/dumper/main.cs

@@ -14,8 +14,9 @@ var dumpTasks = new (string Name, Action Execute)[]
 {
     ("character", () => { dumper.DumpCharacters(); dumper.DumpCharacterIcons(); }),
     ("item",      () => { dumper.DumpItems();      dumper.DumpItemIcons(); }),
+    ("addon",      () => { dumper.DumpAddons();      dumper.DumpAddonIcons(); }),
     ("offering",  () => { dumper.DumpOfferings();  dumper.DumpOfferingIcons(); }),
-    ("customizations", () => { dumper.DumpCustomizations(); dumper.DumpCustomizationIcons(); }),
+    ("customization", () => { dumper.DumpCustomizations(); dumper.DumpCustomizationIcons(); }),
     ("dlc", () => { dumper.DumpDLCs(); })
 };