chore : update readme for swagger

Author: Rajat069

README.md

@@ -36,13 +36,30 @@ The API base path is `/api/v1`. When run locally, it will be available at:
 ```
 http://localhost:8080/api/v1
 ```
+**Live:**
+```
+https://4.213.1.116.nip.io/api/v1/
+```
 
 ## Run with Maven 🔧
 
 ```bash
 ./mvnw spring-boot:run
 ```
 
+## API Documentation 📚
+
+Interactive API documentation is available via Swagger UI:
+
+**Local:**
+```
+http://localhost:8080/swagger-ui.html
+```
+
+**Live:**
+```
+https://4.213.1.116.nip.io/swagger-ui/swagger-ui/index.html
+```
 ## Endpoints 🚀
 
 All endpoints are relative to the base path `/api/v1`.

src/main/java/com/rajat_singh/leetcode_api/scheduler/LeetCodeSyncScheduler.java

@@ -33,23 +33,26 @@
 @ConditionalOnProperty(name = "scheduler.enabled", havingValue = "true", matchIfMissing = false)
 public class LeetCodeSyncScheduler {
 
-    @Autowired
-    private LeetCodeClient leetCodeApiClient;
-
-    @Autowired
-    private QuestionsRepository questionRepository;
-
-    @Autowired
-    private  QuestionMapper questionMapper;
-
-    @Autowired
-    private ContestMapper contestMapper;
-
-    @Autowired
-    private DBUtilities dbUtilities;
-
-    @Autowired
-    private GlobalLeetCodeContestsRepository globalLeetCodeContestsRepository;
+    private final LeetCodeClient leetCodeApiClient;
+    private final QuestionsRepository questionRepository;
+    private final QuestionMapper questionMapper;
+    private final ContestMapper contestMapper;
+    private final DBUtilities dbUtilities;
+    private final GlobalLeetCodeContestsRepository globalLeetCodeContestsRepository;
+
+    public LeetCodeSyncScheduler(LeetCodeClient leetCodeApiClient,
+                                  QuestionsRepository questionRepository,
+                                  QuestionMapper questionMapper,
+                                  ContestMapper contestMapper,
+                                  DBUtilities dbUtilities,
+                                  GlobalLeetCodeContestsRepository globalLeetCodeContestsRepository) {
+        this.leetCodeApiClient = leetCodeApiClient;
+        this.questionRepository = questionRepository;
+        this.questionMapper = questionMapper;
+        this.contestMapper = contestMapper;
+        this.dbUtilities = dbUtilities;
+        this.globalLeetCodeContestsRepository = globalLeetCodeContestsRepository;
+    }
 
     // Runs every week for full data sync
     @Async