Have MapSource adhere to the MapLibre style spec

app/src/main/java/eu/konggdev/strikemaps/map/source/MapSource.java

@@ -4,15 +4,23 @@ import com.fasterxml.jackson.databind.JsonNode;
 
 public class MapSource {
     public String url;
+    public JsonNode data;
     public String type;
     public String schema;
 
-    public String attribution;
-
-    /* For raster sources */
     public JsonNode tiles;
     public int minzoom;
     public int maxzoom;
+    public String scheme;
+    public int tileSize;
+
+    public String attribution;;
+
+    public JsonNode bounds;
+
+    public String encoding;
+
+    public boolean volatile;
 
     public MapSource() { }
 }