Input processor interface and sdl implementation added, now frees text textures after displaying text, need to look into caching so we can let manager handle it

src/engine/input/sdlinputprocessor.hpp

@@ -0,0 +1,24 @@
+//
+// Created by m on 12/6/21.
+//
+
+#ifndef RLA_IIPP_SDLINPUTPROCESSOR_HPP
+#define RLA_IIPP_SDLINPUTPROCESSOR_HPP
+
+
+#include "inputprocessor.hpp"
+#include <SDL.h>
+#include <unordered_map>
+
+class SdlInputProcessor : public InputProcessor {
+    InputResult process_input() override;
+public:
+    SdlInputProcessor();
+
+private:
+    std::unordered_map<SDL_Keycode,InputProcessorKeycode> keycode_map;
+    InputProcessorKeycode get_keycode(SDL_Keycode keycode);
+};
+
+
+#endif //RLA_IIPP_SDLINPUTPROCESSOR_HPP