add example that uses new functionality

examples/dashboard_variable_get_value.py

@@ -0,0 +1,38 @@
+"""
+get dashboard variable value
+
+requires `besapi` v3.2.6+
+
+install with command `pip install -U besapi`
+"""
+
+import besapi
+
+
+def main():
+    """Execution starts here"""
+    print("main()")
+
+    bes_conn = besapi.besapi.get_bes_conn_using_config_file()
+    bes_conn.login()
+
+    print(bes_conn.last_connected)
+
+    print(bes_conn.get_dashboard_variable_value("WebUIAppAdmin", "Current_Sites"))
+
+    # dashboard_name = "PyBESAPITest"
+    # var_name = "TestVar"
+
+    # print(
+    #     bes_conn.set_dashboard_variable_value(
+    #         dashboard_name, var_name, "dashboard_variable_get_value.py 12345678"
+    #     )
+    # )
+
+    # print(bes_conn.get_dashboard_variable_value(dashboard_name, var_name))
+
+    # print(bes_conn.delete(f"dashboardvariable/{dashboard_name}/{var_name}"))
+
+
+if __name__ == "__main__":
+    main()