First step towards configurable keyboard mappings (#464)

* Configurable keyboard mappings

* Cleanup

* Cleanup

* Biggest mistake of my career

* format

* Fix naming convention

---------

Co-authored-by: wheremyfoodat <44909372+wheremyfoodat@users.noreply.github.com>

include/input_mappings.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <unordered_map>
+
+#include "helpers.hpp"
+#include "services/hid.hpp"
+
+struct InputMappings {
+	using Scancode = u32;
+	using Container = std::unordered_map<Scancode, u32>;
+
+	u32 getMapping(Scancode scancode) const {
+		auto it = container.find(scancode);
+		return it != container.end() ? it->second : HID::Keys::Null;
+	}
+
+	void setMapping(Scancode scancode, u32 key) { container[scancode] = key; }
+	static InputMappings defaultKeyboardMappings();
+
+  private:
+	Container container;
+};