Initial release of the Windows Terminal source code

This commit introduces all of the Windows Terminal and Console Host source,
under the MIT license.

src/inc/LibraryIncludes.h

@@ -0,0 +1,64 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+
+#pragma once
+
+#include <CppCoreCheck/Warnings.h>
+
+#pragma warning(push)
+#pragma warning(disable: ALL_CPPCORECHECK_WARNINGS)
+
+// C
+#include <cwchar>
+#include <cwctype>
+
+// STL
+
+// Block minwindef.h min/max macros to prevent <algorithm> conflict
+#define NOMINMAX
+
+#include <algorithm>
+#include <atomic>
+#include <deque>
+#include <list>
+#include <memory>
+#include <map>
+#include <mutex>
+#include <shared_mutex>
+#include <new>
+#include <optional>
+#include <queue>
+#include <stdexcept>
+#include <string>
+#include <thread>
+#include <tuple>
+#include <utility>
+#include <vector>
+#include <unordered_map>
+#include <iterator>
+#include <math.h>
+#include <sstream>
+#include <iomanip>
+#include <filesystem>
+
+// WIL
+
+#include <wil/Common.h>
+#include <wil/Result.h>
+#include <wil/resource.h>
+#include <wil/wistd_memory.h>
+
+// GSL
+// Block GSL Multi Span include because it both has C++17 deprecated iterators
+// and uses the C-namespaced "max" which conflicts with Windows definitions.
+#define GSL_MULTI_SPAN_H
+#include <gsl/gsl>
+
+// IntSafe
+#define ENABLE_INTSAFE_SIGNED_FUNCTIONS
+#include <intsafe.h>
+
+// SAL
+#include <sal.h>
+
+#pragma warning(pop)