fix: RevenueTracking 전체 조회 API 및 리포지토리/서비스 구현체 구현

TaxBaik.Web/Controllers/RevenueTrackingController.cs

@@ -24,6 +24,20 @@ public class RevenueTrackingController(RevenueTrackingService service) : Control
         }
     }
 
+    [HttpGet]
+    public async Task<IActionResult> GetAll()
+    {
+        try
+        {
+            var revenues = await service.GetAllAsync();
+            return Ok(revenues);
+        }
+        catch (Exception ex)
+        {
+            return StatusCode(500, new { error = "조회 실패", message = ex.Message });
+        }
+    }
+
     [HttpGet("{id:int}")]
     public async Task<IActionResult> GetById(int id)
     {