[#26] All: Remove V2 from naming

Rename project, namespaces and class names

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

src/FrostFS.SDK.Client/Models/Netmap/FrostFsVersion.cs

@@ -0,0 +1,36 @@
+using FrostFS.Refs;
+using FrostFS.SDK.Client.Mappers.GRPC;
+
+namespace FrostFS.SDK;
+
+public class FrostFsVersion(int major, int minor)
+{
+    private Version? version;
+
+    public int Major { get; set; } = major;
+    public int Minor { get; set; } = minor;
+
+    internal Version Version
+    {
+        get
+        {
+            this.version ??= this.ToMessage();
+            return this.version;
+        }
+    }
+
+    public bool IsSupported(FrostFsVersion version)
+    {
+        if (version is null)
+        {
+            throw new System.ArgumentNullException(nameof(version));
+        }
+
+        return Major == version.Major;
+    }
+
+    public override string ToString()
+    {
+        return $"v{Major}.{Minor}";
+    }
+}