copy .dll to LIBRARY_BIN

[horta]

Examples from other libraries:

%LIBRARY_LIB%/libbz2.lib        -> %LIBRARY_BIN%/libbz2.dll
%LIBRARY_LIB%/libbz2_static.lib

%LIBRARY_LIB%/libcurl.lib       -> %LIBRARY_BIN%/libcurl.dll
%LIBRARY_LIB%/libcurl.exp

%LIBRARY_LIB%/libxml2.lib       -> %LIBRARY_BIN%/libxml2.dll
%LIBRARY_LIB%/libxml2_a.lib
%LIBRARY_LIB%/libxml2_a_dll.lib

[conda-forge-linter]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe) and found it was in an excellent condition.

[isuruf]

@conda-forge-admin, please rerender

[horta]

Thanks a lot!