More Japanese preparation. Added k6x8 as swap for Miniwi (same height).

credits.txt

@@ -25,6 +25,7 @@ Most of the work here is original, but there are some notable exceptions:
  - Tewi font by lucy (https://github.com/lucy/tewi-font). Modified to add gradients and drop shadow.
  - MPlus font by M⁺ FONTS PROJECT (http://mplus-fonts.osdn.jp/mplus-bitmap-fonts). Modified to add gradients and drop shadow.
  - Miniwi font by Josuah Demangeon (http://josuah.net). Modified to add gradients and drop shadow.
+ - k6x8 font by littlelimit (https://littlelimit.net/k6x8.htm). Modified to add gradients and drop shadow.
  - Terrain splashes for Doom by MagicWazard.
  - Intermission fanart:
    * Substance20 (@S20TBL)

fonts/k6x8/LICENSE

@@ -0,0 +1,8 @@
+These fonts are free software.
+Unlimited permission is granted to use, copy, and distribute it, with or
+without modification, either commercially and noncommercially.
+THESE FONTS ARE PROVIDED "AS IS" WITHOUT WARRANTY.
+
+これらのフォントはフリー（自由な）ソフトウエアです。
+あらゆる改変の有無に関わらず、また商業的な利用であっても、自由にご利用、複製、
+再配布することができますが、全て無保証とさせていただきます。

fonts/k6x8/font.inf

@@ -0,0 +1,3 @@
+TranslationType Standard
+CellSize 7, 9
+Kerning -1