Kernel: Add support for text mode terminal

This probably won't be used at all but it was so simple and made me do
really nice refactorings so i decided to add it :)

kernel/include/kernel/Terminal/TextModeTerminal.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <kernel/Terminal/TerminalDriver.h>
+
+namespace Kernel
+{
+
+	class TextModeTerminalDriver final : public TerminalDriver
+	{
+	public:
+		static BAN::ErrorOr<BAN::RefPtr<TextModeTerminalDriver>> create_from_boot_info();
+		~TextModeTerminalDriver();
+
+		uint32_t width() const override { return m_width; }
+		uint32_t height() const override { return m_height; }
+
+		void putchar_at(uint16_t, uint32_t, uint32_t, Color, Color) override;
+		void clear(Color) override;
+
+		void set_cursor_shown(bool) override;
+		void set_cursor_position(uint32_t, uint32_t) override;
+
+	private:
+		TextModeTerminalDriver(paddr_t paddr, uint32_t width, uint32_t height, uint32_t pitch)
+			: m_paddr(paddr)
+			, m_width(width)
+			, m_height(height)
+			, m_pitch(pitch)
+		{}
+
+		BAN::ErrorOr<void> initialize();
+
+	private:
+		const paddr_t m_paddr;
+		const uint32_t m_width;
+		const uint32_t m_height;
+		const uint32_t m_pitch;
+		vaddr_t m_vaddr { 0 };
+		static constexpr Color s_cursor_color = TerminalColor::BRIGHT_WHITE;
+	};
+
+}