Adding void pointer construction and append

Merge pull request #7 from connectivecpp/develop

Merge develop to main

Updating dependent libraries, minor doc updates.

Merge pull request #6 from connectivecpp/develop

Updating dependent libraries, docs, utility usage

Updating to latest Catch2 version, macos-15 on runner

Merge pull request #5 from connectivecpp/develop

Merging develop to main

Span handling added, Catch2 workarounds for std::byte formatting

Merge pull request #4 from connectivecpp/develop

Merge develop to main