libzstd.lib missed in package, also VC sample seems include wrong mem.h or ambigious including!

[helldragonx]

Describe the bug
the "dll\libzstd.lib" in readme can not found in pakcage zstd-v1.5.6-win64.zip
also the mem.h in sample project cause many error!

To Reproduce

package error!

Expected behavior

Screenshots and charts
If applicable, add screenshots and charts to help explain your problem.

Desktop (please complete the following information):

• OS: Windows 11 64x
• Version: v1.5.6
• Compiler: VisualStudio 2019
• Flags [e.g. O2]
• Other relevant hardware specs [e.g. Dual-core]
• Build system [e.g. Makefile]

Additional context