Add fw dumping

- also fatfs is stupid
- also close files properly on a failed copy
- also check for errors during folder readouts
- also make sure holding vol- doesn't dump the keys anyway

source/gfx/gfxutils.c

@@ -19,6 +19,15 @@ void gfx_clearscreen(){
     RESETCOLOR;
 }
 
+MenuEntry_t YesNoEntries[] = {
+    {.optionUnion = COLORTORGB(COLOR_YELLOW), .name = "No"},
+    {.R = 255, .name = "Yes"}
+};
+
+int MakeYesNoHorzMenu(int spacesBetween, u32 bg){
+    return MakeHorizontalMenu(YesNoEntries, ARR_LEN(YesNoEntries), spacesBetween, bg);
+}
+
 int MakeHorizontalMenu(MenuEntry_t *entries, int len, int spacesBetween, u32 bg){
     u32 initialX = 0, initialY = 0;
     u32 highlight = 0;

source/gfx/gfxutils.h

@@ -14,4 +14,5 @@
 #define RGBUnionToU32(optionUnion) (optionUnion | 0xFF000000)
 
 void gfx_clearscreen();
-int MakeHorizontalMenu(MenuEntry_t *entries, int len, int spacesBetween, u32 bg);
+int MakeHorizontalMenu(MenuEntry_t *entries, int len, int spacesBetween, u32 bg);
+int MakeYesNoHorzMenu(int spacesBetween, u32 bg);