Converting CITATION to use bibentry per CRAN request

inst/CITATION

@@ -1,19 +1,14 @@
-citHeader("To cite the", sQuote("Padé"), "package in publications, please use:")
-citEntry(entry        = "Manual",
-         title        = "Pade: Padé Approximant Coefficients",
-         author       = personList(c(person(given = "Avraham", family = "Adler",
-                                            role = c("aut", "cph", "cre"),
-                                            email = "[email protected]",
-                                            comment = c(ORCID = "0000-0002-3039-0703")))),
+bibentry(bibtype     = "Manual",
+         textversion = NULL,
+         header      = paste("To cite the", sQuote("Padé"),
+                             "package in publications, please use:"),
+         author      = person(given = "Avraham", family = "Adler",
+                              role = c("aut", "cph", "cre"),
+                              email = "[email protected]",
+                              comment = c(ORCID = "0000-0002-3039-0703")),
+         title       = "Pade: Padé Approximant Coefficients",
          year         = "2015",
          url          = "https://CRAN.R-project.org/package=Pade",
          doi          = "10.5281/zenodo.4270254",
-         note         = "R package version 1.0.5",
-
-         textVersion  =
-           paste("Avraham Adler (2015).",
-                 "Pade: Padé Approximant Coefficients",
-                 "R package version 1.0.5.",
-                 "https://CRAN.R-project.org/package=Pade",
-                 "doi: 10.5281/zenodo.4270254")
+         note         = "R package version 1.0.5"
 )

inst/NEWS.Rd

@@ -8,6 +8,7 @@
       \item Updated help
       \item Updated Github actions
       \item Made code more consistent with style guide
+      \item CITATION converted to use \code{bibentry} at CRAN request
     }
   }
 }