Tweak some default values, and expose reader-buffer size via variable. In best case, saw a doubling of performance on my NVMe (2.5 GB/s -> 5.5 GB/s)

Improvements

• 0cc7c8c Allow changing the reader buffer, and increasing default, sees significant improvement in performance
• 4e50488 Update benchmarks on modern PC with modern build. 5.5 GB/s max!

Other

• dbf03dd Add goreleaser task
• 2da9bd1 Add memory sampler to look at average mem stats (#156)
• 540c5d4 Clean up the tweak docs
• 5a31e8c Improve tweak help text and env variables
• 08a5f25 Install script and doc fixes (#154)
• a9aeeeb Minor doc cleanup
• cc3506b Remove dead code
• 2b987cd Update CLI Docs