Bugfix #16 and docs enhancement

What's Changed

docs: add NuGet version and download badges to README by @devin-ai-integration[bot] in #9
Add unit/integration tests and GitHub Actions CI by @devin-ai-integration[bot] in #10
Add integration tests for Example project by @devin-ai-integration[bot] in #11
Fix discovered design issues: AsParameters defaults, CsvBindingExceptionFilter, dead code by @devin-ai-integration[bot] in #12
docs: simplify README and create Astro Starlight documentation pages by @devin-ai-integration[bot] in #13
Devin/1777647229 docs improvements by @sheepla in #15
Fix docs by @sheepla in #17
Fix issue #16: OpenAPI response body type by @sheepla in #18

Full Changelog: v0.0.2...v0.0.3