Add server for game data (implement login sequence)

rc_services_room/src/data/special_item.rs

@@ -0,0 +1,17 @@
+use polariton::operation::Typed;
+
+pub struct SpecialItem {
+    pub name: String,
+    pub sprite: String,
+    pub size: u32,
+}
+
+impl SpecialItem {
+    pub fn as_transmissible(&self) -> Typed {
+        Typed::HashMap(vec![
+            (Typed::Str("name".into()), Typed::Str(self.name.clone().into())),
+            (Typed::Str("spriteName".into()), Typed::Str(self.sprite.clone().into())),
+            (Typed::Str("mothershipSize".into()), Typed::Int(self.size as i32)),
+        ].into())
+    }
+}