add menu graphics for Crispy Doom's "Crispness" menu

buildcfg.txt

@@ -840,6 +840,7 @@ M_TCPIP		0	1
 M_VIDEO		0	1
 M_WAD		0	1
 M_WADOPT	0	1
+M_CRISPY	0	1
 
 BRDR_TL	-5	-5
 BRDR_T	0	-5

graphics/text/Makefile

@@ -15,6 +15,7 @@ TEXTGEN_GRAPHIC_LUMPS = \
   m_mess.png   m_mouse.png  m_multi.png  m_player.png m_serial.png \
   m_setup.png  m_sound.png  m_stat.png   m_status.png m_tcpip.png  \
   m_versen.png m_video.png  m_wad.png    m_wadopt.png m_weap.png   \
+  m_crispy.png                                                     \
   prboom.png   t_phase1.png t_phase2.png                           \
   m_ultra.png  wibp1.png    wibp2.png    wibp3.png    wibp4.png    \
   wicolon.png  wienter.png  wif.png      wifrgs.png   wipcnt.png   \

graphics/text/config.py

@@ -203,6 +203,8 @@ red_graphics = {
     # match the other main menu graphics. Eternity Engine doesn't
     # use it any more, and on SMMU there's enough space for it.
     "m_multi": "Multiplayer",
+    # Crispy Doom's Crispness menu:
+    "m_crispy": "Crispness",
 }