Add latest wuffs release as submodule

Signed-off-by: Tobias Frisch <tfrisch@uni-koblenz.de>

.gitmodules

@@ -66,3 +66,7 @@
 	path = modules/tone_mapping/lib/glsl-tone-map
 	url = https://github.com/dmnsgn/glsl-tone-map.git
 	branch = main
+[submodule "modules/asset_loader/lib/wuffs-mirror-release-c"]
+	path = modules/asset_loader/lib/wuffs-mirror-release-c
+	url = https://github.com/google/wuffs-mirror-release-c.git
+	branch = main

wuffs-mirror-release-c @ e3f919cc

+Subproject commit e3f919ccfe3ef542cfc983a82146070258fb57f8

modules/asset_loader/src/vkcv/asset/asset_loader.cpp

@@ -9,7 +9,6 @@
 #include <vkcv/Logger.hpp>
 #include <algorithm>
 
-
 namespace vkcv::asset {
 
 	/**