feat: Adds capacitor calculations.

Sources/ApiController/ApiController.swift

@@ -28,6 +28,10 @@ extension ApiController: DependencyKey {
       logger.debug("API Route: \(route)")
 
       switch route {
+      case let .calculateCapacitor(request):
+        logger.debug("Calculating capacitor: \(request)")
+        return try await request.respond(logger: logger)
+
       case let .calculateDehumidifierSize(request):
         logger.debug("Calculating dehumidifier size: \(request)")
         return try await request.respond(logger)
@@ -42,8 +46,7 @@ extension ApiController: DependencyKey {
 
       case let .calculateRoomPressure(request):
         logger.debug("Calculating room pressure: \(request)")
-        // FIX:
-        fatalError()
+        return try await request.respond(logger: logger)
       }
     })
   }