Update README.md

Author: vittorioPiotti

README.md

@@ -77,7 +77,7 @@ This library is a fork based on the source code of the [SmartGraph](https://gith
    
  * **Edges:** [`New Edge`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#newEdge()), [`Delete Edge`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#deleteEdge(char)), [`Rotate Edge`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#rotateEdge(char,char)), [`Split Edge`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#splitEdge(char,char)), [`Set Cost`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#setCost(char,char,int))
    
- * **Graph:** [`Upload JSON`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#uploadJSON(java.io.File)), [`Download JSON`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#downloadJSON(java.io.File)), [`Clear Graph`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#clearGraph()), [`Show Path`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraphUI.html#showUI()), [`Take Screenshot`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#takeScreenshot()), [`Drag`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#doDrag()), [`Zoom`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#doZoom())
+ * **Graph:** [`Upload JSON`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#uploadJSON(java.io.File)), [`Download JSON`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#downloadJSON(java.io.File)), [`Clear Graph`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#clearGraph()), [`Show Path`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#showPath(java.util.List)), [`Take Screenshot`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#takeScreenshot()), [`Drag`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#doDrag()), [`Zoom`](https://javadoc.io/doc/io.github.vittoriopiotti/PathGraph-JavaFX/latest/com.vittoriopiotti.pathgraph/com/vittoriopiotti/pathgraph/app/PathGraph.html#doZoom())