chore: add comments to models

Author: Andrew Omondi

src/main/java/com/microsoft/graph/models/ChangeNotification.java

@@ -13,7 +13,9 @@
 import java.util.Map;
 import java.util.Objects;
 
-
+/**
+ * The {@link ChangeNotification} model with information on the change notification.
+ */
 public class ChangeNotification implements EncryptedContentBearer<ChangeNotificationEncryptedContent>,  AdditionalDataHolder, BackedModel, Parsable {
     /**
      * Stores model information.

src/main/java/com/microsoft/graph/models/ChangeNotificationCollection.java

@@ -12,6 +12,9 @@
 import java.util.Map;
 import java.util.Objects;
 
+/**
+ * The {@link ChangeNotificationCollection} model.
+ */
 public class ChangeNotificationCollection implements TokenValidable<ChangeNotificationEncryptedContent, ChangeNotification>, AdditionalDataHolder, BackedModel, Parsable {
     /**
      * Stores model information.

src/main/java/com/microsoft/graph/models/ChangeNotificationCollectionResponse.java

@@ -7,6 +7,10 @@
 import java.util.Map;
 import java.util.Objects;
 
+
+/**
+ * The {@link ChangeNotificationCollectionResponse} model for the response.
+ */
 public class ChangeNotificationCollectionResponse extends BaseCollectionPaginationCountResponse implements Parsable {
     /**
      * Instantiates a new {@link ChangeNotificationCollectionResponse} and sets the default values.

src/main/java/com/microsoft/graph/models/ChangeNotificationEncryptedContent.java

@@ -12,6 +12,9 @@
 import java.util.Map;
 import java.util.Objects;
 
+/**
+ * The {@link ChangeNotificationEncryptedContent} model for the encrypted response.
+ */
 public class ChangeNotificationEncryptedContent implements DecryptableContent, AdditionalDataHolder, BackedModel, Parsable {
     /**
      * Stores model information.

src/main/java/com/microsoft/graph/models/ChangeType.java

@@ -3,6 +3,9 @@
 import com.microsoft.kiota.serialization.ValuedEnum;
 import java.util.Objects;
 
+/**
+ * The {@link ChangeType} enum for type of change.
+ */
 public enum ChangeType implements ValuedEnum {
     Created("created"),
     Updated("updated"),

src/main/java/com/microsoft/graph/models/LifecycleEventType.java

@@ -3,6 +3,9 @@
 import com.microsoft.kiota.serialization.ValuedEnum;
 import java.util.Objects;
 
+/**
+ * The {@link LifecycleEventType} enum for event status in the lifecycle.
+ */
 public enum LifecycleEventType implements ValuedEnum {
     Missed("missed"),
     SubscriptionRemoved("subscriptionRemoved"),

src/main/java/com/microsoft/graph/models/ResourceData.java

@@ -11,6 +11,9 @@
 import java.util.Map;
 import java.util.Objects;
 
+/**
+ * The {@link ResourceData} model for data of the subscribed resource.
+ */
 public class ResourceData implements AdditionalDataHolder, BackedModel, Parsable {
     /**
      * Stores model information.