Added missing dependicies

libs/sftdlib/sample/source/main.c

@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <3ds.h>
+#include <sf2d.h>
+#include <sftd.h>
+#include "airstrike_ttf.h"
+
+int main()
+{
+	sf2d_init();
+	sf2d_set_clear_color(RGBA8(0x40, 0x40, 0x40, 0xFF));
+
+	consoleInit(GFX_BOTTOM, NULL);
+	printf("sftd sample\n");
+
+	// Font loading
+	sftd_init();
+	sftd_font *font = sftd_load_font_mem(airstrike_ttf, airstrike_ttf_size);
+
+	while (aptMainLoop()) {
+
+		hidScanInput();
+		if (hidKeysDown() & KEY_START) break;
+
+		sf2d_start_frame(GFX_TOP, GFX_LEFT);
+
+			sftd_draw_text(font, 10, 10, RGBA8(255, 0, 0, 255), 20, "Font drawing on the top screen!");
+			sftd_draw_textf(font, 10, 40, RGBA8(0, 255, 0, 255), 20, "FPS %f", sf2d_get_fps());
+
+		sf2d_end_frame();
+
+		sf2d_swapbuffers();
+	}
+
+	sftd_free_font(font);
+	sftd_fini();
+
+	sf2d_fini();
+	return 0;
+}