Release 1.1.0-preview 3 (#6)

Release roll-up snapshot of C#/C++ codebase at version 1.1.0-preview.
This release matches the current shipping nugets.

src/Core/Core.Native/Endian.h

@@ -0,0 +1,33 @@
+// ------------------------------------------------------------
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+// ------------------------------------------------------------
+
+#pragma once
+
+namespace cdb_core
+{
+  struct Endian final
+  {
+    // Static Class
+    Endian() = delete;
+    ~Endian() = delete;
+    Endian(const Endian& other) = delete;
+    Endian(Endian&& other) noexcept = delete;
+    Endian& operator=(const Endian& other) = delete;
+    Endian& operator=(Endian&& other) noexcept = delete;
+
+    constexpr static bool IsLittleEndian() noexcept;
+    constexpr static bool IsBigEndian() noexcept;
+  };
+
+  constexpr bool Endian::IsLittleEndian() noexcept
+  {
+    // TODO: this should use std::endian when we move to C++ v20.
+    return true;
+  }
+
+  constexpr bool Endian::IsBigEndian() noexcept
+  {
+    return !Endian::IsLittleEndian();
+  }
+}