M4A1 Calliope and M3/M17 skins update

fix some minor skinning bags in decals for m-36 thas to @kas.iconizr help.

update m-26 with proper Free France divisional colors , the korean war m-26 will be released in a future skinpack

updating skinpack , adding m-26 summer and winter skins, from Korea war theatre of operations since FF never used M-26 in WW2.

Updated some skins using the base color variations and decals , also updating the skinpack icons using ww2 armored figures for light and medium as well as the opening picture.

updated thé visuals effects , using different burning settings.
Thanks starbuck for his idea and for contribute.