first .osm format import

- import osm convert it to Drawing and use it as resolved path.
- Not ready , first test over lab/valbonne_oct_2020.osm

java/org/artisanlogiciel/osm/Node.java

@@ -0,0 +1,34 @@
+package org.artisanlogiciel.osm;
+
+/**
+ * https://wiki.openstreetmap.org/wiki/Node
+ */
+public class Node {
+    NodeRef ref;
+    double lat;
+    double lon;
+
+    public NodeRef getRef() {
+        return ref;
+    }
+
+    public Node(NodeRef ref, double lat, double lon) {
+        this.ref = ref;
+        ref.setNode(this);
+        this.lat = lat;
+        this.lon = lon;
+    }
+
+    public double getLat() {
+        return lat;
+    }
+
+    public double getLon() {
+        return lon;
+    }
+
+    public String toString()
+    {
+        return "(id=" + ref.id + " lon=" + lon + " lat=" + lat + ")";
+    }
+}