Added some more dependencies

Author: VisruthSK

.github/workflows/pkgdown.yaml

@@ -36,23 +36,23 @@ jobs:
           extra-packages: |
             any::pkgdown
             local::.
-            any::BH
             any::bayesplot
+            any::BH
             any::brms
             any::ggplot2
             any::rmarkdown
+            any::Rcpp
+            any::RcppEigen
             any::rstan
             any::rstanarm
             any::rstantools
             any::spdep
+            any::StanHeaders
             any::knitr
-          needs: |
-            website
-            soft
-            vignettes
+          needs: website
 
       - name: Build site
-        run: pkgdown::build_site_github_pages(new_process = FALSE, install = TRUE)
+        run: pkgdown::build_site_github_pages(new_process = FALSE, install = FALSE)
         shell: Rscript {0}
 
       - name: Deploy to GitHub pages 🚀