[#34] bootstrap: Move NodeInfo to netmap

Move NodeInfo message definition to netmap package. Package bootstrap is
completely removed from the repository.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

netmap/types.proto

@@ -54,3 +54,39 @@ message PlacementRule {
 
     repeated SFGroup SFGroups = 2;
 }
+
+// Groups the information about the NeoFS node.
+message NodeInfo {
+    // Carries network address of the NeoFS node.
+    string Address = 1;
+
+    // Carries public key of the NeoFS node in a binary format.
+    bytes PublicKey = 2;
+
+    // Groups attributes of the NeoFS node.
+    message Attribute {
+        // Carries string key to the node attribute.
+        string Key = 1;
+
+        // Carries string value of the node attribute.
+        string Value = 2;
+    }
+
+    // // Carries list of the NeoFS node attributes in a string key-value format.
+    repeated Attribute Attributes = 3;
+
+    // Represents the enumeration of various states of the NeoFS node.
+    enum State {
+        // Undefined state.
+        Unknown = 0;
+
+        // Active state on the network.
+        Online = 1;
+
+        // Network unavailable state.
+        Offline = 2;
+    }
+
+    // Carries state of the NeoFS node.
+    State state = 4;
+}