feat: support EFT fits with service modules (#60)

src/calculate/item.rs

@@ -61,6 +61,7 @@ pub enum SlotType {
     Low,
     Rig,
     SubSystem,
+    Service,
     DroneBay,
     Charge,
     None,

src/calculate/pass_1.rs

@@ -67,6 +67,7 @@ impl Pass for PassOne {
                         EsfSlotType::Low => SlotType::Low,
                         EsfSlotType::Rig => SlotType::Rig,
                         EsfSlotType::SubSystem => SlotType::SubSystem,
+                        EsfSlotType::Service => SlotType::Service,
                     },
                     index: Some(module.slot.index),
                 },

src/data_types.rs

@@ -106,6 +106,7 @@ pub enum EsfSlotType {
     Low,
     Rig,
     SubSystem,
+    Service,
 }
 
 #[derive(Deserialize, Debug)]

src/eft/mod.rs

@@ -84,6 +84,13 @@ fn find_slot_type_index(
                 *index += 1;
                 return Some((data_types::EsfSlotType::SubSystem, *index - 1));
             }
+            6306 => {
+                let index = module_slots
+                    .entry(data_types::EsfSlotType::Service)
+                    .or_insert(0);
+                *index += 1;
+                return Some((data_types::EsfSlotType::Service, *index - 1));
+            }
             _ => {}
         }
     }