Merge pull request #48 from shellui-dev/fix/nuget-readme-and-issues

feat: colour presets, shelldocs preview, NuGet READMEs and the issue backlog (0.1.18-alpha)

ShellDocs v0.1.16-alpha

ShellDocs v0.1.15-alpha

Merge pull request #33 from shellui-dev/fix/fence-scanner-inline-attrs

fix: CommonMark fences and quote-aware component tags (0.1.12-alpha)