Add spellchecking

CITATION.cff

@@ -210,6 +210,21 @@ references:
     email: [email protected]
     orcid: https://orcid.org/0000-0003-3925-190X
   year: '2023'
+- type: software
+  title: spelling
+  abstract: 'spelling: Tools for Spell Checking in R'
+  notes: Suggests
+  url: https://docs.ropensci.org/spelling/
+  repository: https://CRAN.R-project.org/package=spelling
+  authors:
+  - family-names: Ooms
+    given-names: Jeroen
+    email: [email protected]
+    orcid: https://orcid.org/0000-0002-4035-0289
+  - family-names: Hester
+    given-names: Jim
+    email: [email protected]
+  year: '2023'
 - type: software
   title: testthat
   abstract: 'testthat: Unit Testing for R'

DESCRIPTION

@@ -30,6 +30,7 @@ Suggests:
     knitr,
     lubridate,
     rmarkdown,
+    spelling,
     testthat,
     truncdist
 VignetteBuilder:
@@ -40,3 +41,4 @@ Encoding: UTF-8
 LazyData: true
 Roxygen: list(markdown = TRUE)
 RoxygenNote: 7.2.3
+Language: en-GB

inst/WORDLIST

@@ -0,0 +1,30 @@
+Borel
+CMD
+COVID
+Marivate
+ORCID
+Poisson
+R's
+README's
+Vukosi
+Zhian
+codecov
+dfrac
+doi
+ecdf
+gborel
+immunes
+infectees
+infectors
+json
+linelist
+ln
+nbinom
+nolint
+pois
+poisson
+quickstart
+sim
+superspreading
+susceptibles
+var

tests/spelling.R

@@ -0,0 +1,3 @@
+if (requireNamespace("spelling", quietly = TRUE))
+  spelling::spell_check_test(vignettes = TRUE, error = FALSE,
+                             skip_on_cran = TRUE)