feat: add sponge typings

Signed-off-by: MiaoWoo <admin@yumc.pw>

packages/sponge/src/typings/org.spongepowered.api.boss.BossBarOverlay.ts

@@ -0,0 +1,11 @@
+declare namespace org {
+    namespace spongepowered {
+        namespace api {
+            namespace boss {
+                // @ts-ignore
+                interface BossBarOverlay extends org.spongepowered.api.CatalogType {
+                }
+            }
+        }
+    }
+}