Add project files

source/BreezeCore/include/breeze/Version.hpp

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+#pragma once
+
+#include <optional>
+#include <string>
+#include <string_view>
+#include <vector>
+
+namespace breeze
+{
+
+	/// A semantic version: major.minor.patch with an optional pre-release tag.
+	/// A pre-release sorts before the release it leads up to (1.0.0-rc1 < 1.0.0).
+	struct Version
+	{
+		int major = 0;
+		int minor = 0;
+		int patch = 0;
+		std::string pre;
+
+		[[nodiscard]] std::string toString() const;
+	};
+
+	/// Accepts "1.2.3", "v1.2.3", "1.2.3-rc1", "1.2" (patch 0) and "1" (minor and patch 0);
+	/// anything else, including build metadata after '+', is dropped or rejected.
+	std::optional<Version> parseVersion(std::string_view text);
+
+	int compare(const Version& a, const Version& b);
+	bool operator<(const Version& a, const Version& b);
+	bool operator==(const Version& a, const Version& b);
+
+	/// The greatest of `versions`; with `sameMajorAs`, only of those with that major version.
+	std::optional<Version> greatest(const std::vector<Version>& versions,
+									std::optional<int> sameMajorAs = std::nullopt);
+
+}