implement appcenter and minor fix

src/AppCenterSDK/Models/StartServiceLog.cs

@@ -0,0 +1,17 @@
+using Newtonsoft.Json;
+
+namespace YaeAchievement.AppCenterSDK.Models; 
+
+[JsonObject(JsonIdentifier)]
+public class StartServiceLog : Log {
+    
+    public const string JsonIdentifier = "startService";
+    
+    public StartServiceLog(params string[] services) {
+        Services = services;
+    }
+    
+    [JsonProperty(PropertyName = "services")]
+    public string[] Services { get; set; }
+    
+}