Rename getting started vignette to forecastbaselines.Rmd for pkgdown integration

This allows pkgdown to automatically add the vignette as "Getting Started" to the menu bar. Updated all references to the vignette across documentation files.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: sbfnk

README.Rmd

@@ -112,7 +112,7 @@ scores_summary[, c("model", "ae_point", "se_point")]
 
 For detailed guides and examples:
 
-- `vignette("getting-started")` - Complete introduction with examples
+- `vignette("forecastbaselines")` - Complete introduction with examples
 - `vignette("forecast-models")` - Detailed guide to all 10 models
 - `vignette("transformations")` - Working with data transformations
 

README.md

@@ -112,7 +112,7 @@ scores_summary[, c("model", "ae_point", "se_point")]
 
 For detailed guides and examples:
 
-- `vignette("getting-started")` - Complete introduction with examples
+- `vignette("forecastbaselines")` - Complete introduction with examples
 - `vignette("forecast-models")` - Detailed guide to all 10 models
 - `vignette("transformations")` - Working with data transformations
 

vignettes/forecast-models.Rmd

@@ -1006,7 +1006,7 @@ Fastest → Slowest:
 
 ## Further Reading
 
-- See `vignette("getting-started")` for basic workflow
+- See `vignette("forecastbaselines")` for basic workflow
 - See `vignette("transformations")` for data preprocessing
 - Check individual function help: `?ARMAModel`, `?forecast`, etc.