Added missing Windows scancodes

Based on the scancode list at https://developer.mozilla.org/en-US/docs/Web/API/UI_Events/Keyboard_event_code_values, which is correct for all other scancodes

src/events/scancodes_windows.h

@@ -164,7 +164,7 @@ static const SDL_Scancode windows_scancode_table[] = {
     /*0xe007*/ SDL_SCANCODE_UNKNOWN,
     /*0xe008*/ SDL_SCANCODE_UNKNOWN,
     /*0xe009*/ SDL_SCANCODE_UNKNOWN,
-    /*0xe00a*/ SDL_SCANCODE_UNKNOWN,
+    /*0xe00a*/ SDL_SCANCODE_PASTE,
     /*0xe00b*/ SDL_SCANCODE_UNKNOWN,
     /*0xe00c*/ SDL_SCANCODE_UNKNOWN,
     /*0xe00d*/ SDL_SCANCODE_UNKNOWN,
@@ -177,8 +177,8 @@ static const SDL_Scancode windows_scancode_table[] = {
     /*0xe014*/ SDL_SCANCODE_UNKNOWN,
     /*0xe015*/ SDL_SCANCODE_UNKNOWN,
     /*0xe016*/ SDL_SCANCODE_UNKNOWN,
-    /*0xe017*/ SDL_SCANCODE_UNKNOWN,
-    /*0xe018*/ SDL_SCANCODE_UNKNOWN,
+    /*0xe017*/ SDL_SCANCODE_CUT,
+    /*0xe018*/ SDL_SCANCODE_COPY,
     /*0xe019*/ SDL_SCANCODE_AUDIONEXT,
     /*0xe01a*/ SDL_SCANCODE_UNKNOWN,
     /*0xe01b*/ SDL_SCANCODE_UNKNOWN,
@@ -198,7 +198,7 @@ static const SDL_Scancode windows_scancode_table[] = {
     /*0xe029*/ SDL_SCANCODE_UNKNOWN,
     /*0xe02a*/ SDL_SCANCODE_UNKNOWN,
     /*0xe02b*/ SDL_SCANCODE_UNKNOWN,
-    /*0xe02c*/ SDL_SCANCODE_UNKNOWN,
+    /*0xe02c*/ SDL_SCANCODE_EJECT,
     /*0xe02d*/ SDL_SCANCODE_UNKNOWN,
     /*0xe02e*/ SDL_SCANCODE_VOLUMEDOWN,
     /*0xe02f*/ SDL_SCANCODE_UNKNOWN,
@@ -213,7 +213,7 @@ static const SDL_Scancode windows_scancode_table[] = {
     /*0xe038*/ SDL_SCANCODE_RALT,
     /*0xe039*/ SDL_SCANCODE_UNKNOWN,
     /*0xe03a*/ SDL_SCANCODE_UNKNOWN,
-    /*0xe03b*/ SDL_SCANCODE_UNKNOWN,
+    /*0xe03b*/ SDL_SCANCODE_HELP,
     /*0xe03c*/ SDL_SCANCODE_UNKNOWN,
     /*0xe03d*/ SDL_SCANCODE_UNKNOWN,
     /*0xe03e*/ SDL_SCANCODE_UNKNOWN,