Added gesture support (?)

Author: CodenameLambda

touch.cc

@@ -0,0 +1,8 @@
+#include "touch.hh"
+#include <SDL.h>
+
+namespace SDL {
+    void record_gesture() {
+        SDL_RecordGesture(-1);
+    }
+}

touch.hh

@@ -0,0 +1,7 @@
+#include <iostream>
+
+
+namespace SDL {
+    void record_gesture();
+    // TODO: save templates
+}