[#17] Client: Add extra parameter

API methods' parameters types with optional session, polling settings, xHeaders etc. and corresponding handlers have been added

Signed-off-by: Pavel Gross <p.gross@yadro.com>

src/FrostFS.SDK.ClientV2/Parameters/ISessionToken.cs

@@ -0,0 +1,14 @@
+using FrostFS.SDK.ModelsV2;
+
+namespace FrostFS.SDK.ClientV2.Parameters;
+
+public interface ISessionToken
+{
+    /// <summary>
+    /// Object represents token of the FrostFS Object session. A session is opened between any two sides of the
+    /// system, and implements a mechanism for transferring the power of attorney of actions to another network
+    /// member. The session has a limited validity period, and applies to a strictly defined set of operations.
+    /// </summary>
+    /// <value>Instance of the session obtained from the server</value> 
+    SessionToken? SessionToken { get; set; }
+}