JA 37 Swedish Air Force skin to LNS AJS 37

Adds JA 37 paint job to LNS AJS 37

The fighter variant of Fpl 37 Viggen = JA 37.
Adds #24 and #28 out of the 162. jaktflygdivision based on F16.

Hope you'll Enjoy! Skin is perfect when you want to use the AJS 37 as a fighter!