diff --git a/sava_data.drawio b/sava_data.drawio
new file mode 100644
index 0000000..52265d3
--- /dev/null
+++ b/sava_data.drawio
@@ -0,0 +1,68 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/sava_data.svg b/sava_data.svg
new file mode 100644
index 0000000..5ba038c
--- /dev/null
+++ b/sava_data.svg
@@ -0,0 +1 @@
+
\ No newline at end of file