Add Katana (#819)

Co-authored-by: NintenHero <[email protected]>

Author: Lifeismana

descriptions/Engine.Katana.md

@@ -0,0 +1 @@
+Katana Engine, formerly known as KTGL (Koei Tecmo Game Library), is a game engine developed by Future Tech Base, the R&D department within [**Koei Tecmo**](https://www.koeitecmo.co.jp/e/index.html).

rules.ini

@@ -124,6 +124,7 @@ Infernal_Engine = (?:^|/)(?:COMMON|STARTUP)\.POD$
 Irrlicht = (?:^|/)Irrlicht\.dll$
 IW_Engine[] = \.iwd$
 IW_Engine[] = (?:common(?:_zm|_mp)?|code_post_gfx)\.ff$
+Katana = \.ktsl2(?:as|st)bin$
 Kex = \.kpf$
 KiriKiri[] = (?:^|/)data\.xp3$
 KiriKiri[] = (?:^|/)krflash\.dll$

tests/types/Engine.Katana.txt

@@ -0,0 +1,4 @@
+.ktsl2asbin
+.ktsl2stbin
+FILE/SOUND/BGM/BGM.ktsl2stbin
+res/SFX.ktsl2asbin

tests/types/_NonMatchingTests.txt

@@ -660,6 +660,12 @@ base/SVSWAP.WL6
 VVVVSWAP.BS6
 SVSWAP.VSI
 VSWAP
+_ktsl2asbin
+_ktsl2stbin
+.ktsl2asbinf
+.ktsl2stbinf
+.ktslasbin
+.ktslstbin
 firrKlang.dll
 irrKlang.dllf
 irrKlangf.dll