feat: Initial interpolation calculations, requires tests.

Sources/Models/Core/Capacity.swift

@@ -37,6 +37,7 @@ public enum Capacity {
     }
   }
 
+  // TODO: Remove.
   public struct ManufacturersCooling: Codable, Equatable, Sendable {
 
     public let airflow: Int
@@ -87,18 +88,15 @@ public enum Capacity {
     public let wetBulb: Int
     public let totalCapacity: Int
     public let sensibleCapacity: Int
-    public let adjustmentMultipliers: AdjustmentMultiplier?
 
     public init(
       wetBulb: Int,
       totalCapacity: Int,
-      sensibleCapacity: Int,
-      adjustmentMultipliers: AdjustmentMultiplier? = nil
+      sensibleCapacity: Int
     ) {
       self.wetBulb = wetBulb
       self.totalCapacity = totalCapacity
       self.sensibleCapacity = sensibleCapacity
-      self.adjustmentMultipliers = adjustmentMultipliers
     }
   }
 }