support akkoma local visibility

mastodon/src/main/java/org/joinmastodon/android/model/Instance.java

@@ -84,6 +84,8 @@ public class Instance extends BaseModel{
 
 	public V2 v2;
 
+	public Pleroma pleroma;
+
 	@Override
 	public void postprocess() throws ObjectValidationException{
 		super.postprocess();
@@ -193,4 +195,9 @@ public class Instance extends BaseModel{
 			public boolean enabled;
 		}
 	}
+
+	@Parcel
+	public static class Pleroma extends BaseModel {
+		// metadata etc
+	}
 }

mastodon/src/main/java/org/joinmastodon/android/model/Status.java

@@ -84,6 +84,7 @@ public class Status extends BaseModel implements DisplayItemsParent{
 			reblog.postprocess();
 
 		spoilerRevealed=GlobalUserPreferences.alwaysExpandContentWarnings || !sensitive;
+		if (visibility.equals(StatusPrivacy.LOCAL)) localOnly = true;
 	}
 
 	@Override

mastodon/src/main/java/org/joinmastodon/android/model/StatusPrivacy.java

@@ -10,7 +10,9 @@ public enum StatusPrivacy{
 	@SerializedName("private")
 	PRIVATE(2),
 	@SerializedName("direct")
-	DIRECT(3);
+	DIRECT(3),
+	@SerializedName("local")
+	LOCAL(4); // akkoma
 
 	private int privacy;