Precompiled libbpg static binaries

Bundle contains:

libdeflate 1.15
zlib 1.2.13
libpng 1.6.39
libjpeg 9e
jctvc libbpg originally bundled
x265 3.4
libbpg 0.9.8

Notes:


build options /O2 or /Ox, /MT
build environment Microsoft Visual Studio Community 2019 16.8.3