fix: 🐛 change tilejson scheme to xyz by default

BREAKING CHANGE: TileJSON scheme is XYZ by default

Closes: #29

Author: stepankuzmin

src/function_source.rs

@@ -25,7 +25,7 @@ impl Source for FunctionSource {
   fn get_tilejson(&self) -> Result<TileJSON, io::Error> {
     let mut tilejson_builder = TileJSONBuilder::new();
 
-    tilejson_builder.scheme("tms");
+    tilejson_builder.scheme("xyz");
     tilejson_builder.name(&self.id);
     tilejson_builder.tiles(vec![]);
 

src/table_source.rs

@@ -34,7 +34,7 @@ impl Source for TableSource {
   fn get_tilejson(&self) -> Result<TileJSON, io::Error> {
     let mut tilejson_builder = TileJSONBuilder::new();
 
-    tilejson_builder.scheme("tms");
+    tilejson_builder.scheme("xyz");
     tilejson_builder.name(&self.id);
 
     Ok(tilejson_builder.finalize())