sprites: Updating the pistol sprites (#1357)

* sprites: Tweak the PISG sprites
* Tweaking the PISG offsets
* Properly palletted sprites
* Minor fix for PISGA0
Add lighting effects for firing animations alongside minor improvements.
Recenters the pistol offsets due to the newer sprite edits.

buildcfg.txt

@@ -2192,12 +2192,12 @@ PINSA0	15	39
 PINSB0	15	39
 PINSC0	15	39
 PINSD0	15	39
-PISFA0  -144    -69
-PISGA0  -125    -97
-PISGB0  -125    -82
-PISGC0  -124    -87
-PISGD0  -125    -76        ; Unused
-PISGE0  -123    -68        ; Unused
+PISFA0  -144    -71
+PISGA0  -127    -96
+PISGB0  -127    -84
+PISGC0  -126    -88
+PISGD0  -122    -76        ; Unused
+PISGE0  -120    -64        ; Unused
 PISTA0	10	15
 PLAYA1	18	54
 PLAYA2A8	11	54