- Document the name of the MoltenVK driver layer.
- Support future multiple string members in MVKConfiguration.
- Add static assert on number of string members in MVKConfigruation.
- Rename global mvkConfig() to getGlobalMVKConfig().
- Rename global mvkSetConfig() to mvkSetGlobalConfig().
- Remove unused mvkPrintSizeOf() macro. (unrelated).
- Trim trailing spaces from Markdown documents because
it causes double-spaces in some Markdown readers (unrelated).