Refactor code for better readability

Reformatted HttpResponse and AstroResponse variable declarations to improve code clarity. This change ensures the code is easier to read and maintain by adhering to consistent coding style practices.

src/main/java/com/kousenit/dataorientedprogramming/AstroDataService.java

@@ -33,13 +33,15 @@ public Result fetchAndProcessData() {
                     .header("Accept", "application/json")
                     .build();
 
-            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+            HttpResponse<String> response =
+                    client.send(request, HttpResponse.BodyHandlers.ofString());
 
             if (response.statusCode() != 200) {
                 return new Result.Failure("HTTP error: " + response.statusCode());
             }
 
-            AstroResponse astroResponse = objectMapper.readValue(response.body(), AstroResponse.class);
+            AstroResponse astroResponse =
+                    objectMapper.readValue(response.body(), AstroResponse.class);
 
             Map<String, List<String>> astronautsByCraft = groupAstronautsByCraft(astroResponse);