Get device metadata admin message (#1607)

* Get device metadata admin message

* Bump device state version

src/mesh/generated/device_metadata.pb.h

@@ -0,0 +1,53 @@
+/* Automatically generated nanopb header */
+/* Generated by nanopb-0.4.6 */
+
+#ifndef PB_DEVICE_METADATA_PB_H_INCLUDED
+#define PB_DEVICE_METADATA_PB_H_INCLUDED
+#include <pb.h>
+
+#if PB_PROTO_HEADER_VERSION != 40
+#error Regenerate this file with the current version of nanopb generator.
+#endif
+
+/* Struct definitions */
+/* Device metadata response */
+typedef struct _DeviceMetadata { 
+    /* Device firmware version string */
+    char firmware_version[18];
+    /* Device state version */
+    uint32_t device_state_version;
+} DeviceMetadata;
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Initializer values for message structs */
+#define DeviceMetadata_init_default              {"", 0}
+#define DeviceMetadata_init_zero                 {"", 0}
+
+/* Field tags (for use in manual encoding/decoding) */
+#define DeviceMetadata_firmware_version_tag      1
+#define DeviceMetadata_device_state_version_tag  2
+
+/* Struct field encoding specification for nanopb */
+#define DeviceMetadata_FIELDLIST(X, a) \
+X(a, STATIC,   SINGULAR, STRING,   firmware_version,   1) \
+X(a, STATIC,   SINGULAR, UINT32,   device_state_version,   2)
+#define DeviceMetadata_CALLBACK NULL
+#define DeviceMetadata_DEFAULT NULL
+
+extern const pb_msgdesc_t DeviceMetadata_msg;
+
+/* Defines for backwards compatibility with code written before nanopb-0.4.0 */
+#define DeviceMetadata_fields &DeviceMetadata_msg
+
+/* Maximum encoded size of messages (where known) */
+#define DeviceMetadata_size                      25
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif