Add ChangeLog and NEWS

Author: eddelbuettel

ChangeLog

@@ -1,3 +1,15 @@
+2026-03-24  Dirk Eddelbuettel  <edd@debian.org>
+
+	* vignettes/rmd/RcppArmadillo-intro.Rnw: Updated some URLs
+	* vignettes/rmd/RcppArmadillo.bib: Updated references
+	* vignettes/rmd/elsarticle-harv.bst: Refreshed to current version
+	* vignettes/rmd/Makefile: Tweaks to ensure bibtex runs
+	* vignettes/RcppArmadillo-intro.pdf: Regenerated
+	* vignettes/RcppArmadillo-sparseMatrix.pdf: Idem
+	* vignettes/RcppArmadillo-intro.pdf.asis: Converted
+	* vignettes/RcppArmadillo-sparseMatrix.pdf.asis: Idem
+	* DESCRIPTION (VignetteBuilder): Added Rcpp
+
 2026-03-19  Dirk Eddelbuettel  <edd@debian.org>
 
 	* inst/include/RcppArmadillo.h: No longer dispatch to version/arma.h

inst/NEWS.Rd

@@ -4,8 +4,12 @@
 \newcommand{\ghit}{\href{https://github.com/RcppCore/RcppArmadillo/issues/#1}{##1}}
 
 \section{Changes in RcppArmadillo version 15.x.y-1 [unreleased] (2026-xx-yy)}{
-  \item Sunset the pre-C++14 fallback of including Armadillo 4.6.4 (Dirk in
-  \ghpr{504} closing \ghit{503})
+  \itemize{
+    \item Sunset the pre-C++14 fallback of including Armadillo 4.6.4 (Dirk in
+    \ghpr{504} closing \ghit{503})
+    \item The vignettes have refreshed bibliographies, are now built using
+    the \code{Rcpp::asis} vignette builder
+  }
 }
 
 \section{Changes in RcppArmadillo version 15.2.4-1 (2026-03-17)}{