added json format option

Author: dragon7307

src/LineCountReportJsonContext.cs

@@ -0,0 +1,9 @@
+using System.Text.Json.Serialization;
+using LineCount;
+
+[JsonSerializable(typeof(LineCountReport))]
+[JsonSourceGenerationOptions(GenerationMode = JsonSourceGenerationMode.Serialization, PropertyNamingPolicy = JsonKnownNamingPolicy.SnakeCaseLower, WriteIndented = true)]
+public partial class LineCountReportJsonContext : JsonSerializerContext
+{
+    
+}

src/Logging/Logger.cs

@@ -1,4 +1,5 @@
 using System.Globalization;
+using System.Text.Json;
 using LineCount.Errors;
 
 namespace LineCount.Logging;
@@ -51,6 +52,9 @@ public static void LogReport(LineCountReport report, Format format)
             case Format.Raw:
                 LogRawReport(report);
                 break;
+            case Format.Json:
+                LogJsonReport(report);
+                break;
         }
     }
 
@@ -69,4 +73,10 @@ static void LogRawReport(LineCountReport report)
     {
         Console.WriteLine(report.Lines);
     }
+    
+    static void LogJsonReport(LineCountReport report)
+    {
+        string json = JsonSerializer.Serialize(report, LineCountReportJsonContext.Default.LineCountReport);
+        Console.WriteLine(json);
+    }
 }