[#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/Chain/FrostFsChain.cs

@@ -0,0 +1,41 @@
+using Google.Protobuf;
+
+namespace FrostFS.SDK.Client;
+
+public struct FrostFsChain(byte[] raw) : System.IEquatable<FrostFsChain>
+{
+    private ByteString? grpcRaw;
+
+    public byte[] Raw { get; } = raw;
+
+    internal ByteString GetRaw()
+    {
+        return grpcRaw ??= ByteString.CopyFrom(Raw);
+    }
+
+    public override readonly bool Equals(object obj)
+    {
+        var chain = (FrostFsChain)obj;
+        return Equals(chain);
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return Raw.GetHashCode();
+    }
+
+    public static bool operator ==(FrostFsChain left, FrostFsChain right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(FrostFsChain left, FrostFsChain right)
+    {
+        return !(left == right);
+    }
+
+    public readonly bool Equals(FrostFsChain other)
+    {
+        return Raw == other.Raw;
+    }
+}