Add reference and how-to pages for common reporting scenarios
New pages:
- Output-Formats.md: full OutputPresentationType reference table covering
all 15 values, current vs legacy/internal, and OneFileStreamGen vs
MemoryStreamGen comparison
- Streaming-PDF-ASP-NET-Core.md: MemoryStreamGen usage for HTTP streaming,
startup init placement, PDF/Excel/CSV/HTML response examples, parameter
and DataTable patterns, Content-Type reference
- Error-Handling.md: ErrorMaxSeverity severity scale (1–4 warning, 5+ fatal),
ErrorItems, ErrorReset(), examples at each pipeline stage, and common
error causes with links to fixes
- Subreports.md: designer walkthrough, Folder path resolution, SubreportDataRetrieval
event wiring for engine/Avalonia/WinForms viewers, connection string
override for child reports
Updated pages:
- Export-to-Pdf---No-GUI.md: add Excel, Excel data-only, CSV, HTML, RTF,
and TIFF export examples; link to Output-Formats and Streaming pages
- Database-Providers-Howto.md: document RdlEngineConfigInit(params string[]
dirs) overload for custom deploy layouts
- Home.md: add links to all four new pages