Add spellchecking to continuous integration infrastructure

Author: Bisaloo

DESCRIPTION

@@ -17,13 +17,15 @@ Authors@R: c(
   )
 Description: Your package description. It must end with a period (".") and
     include relevant bibliographical references if applicable, using the 
-    following format: Author et al. (2023) <doi:XXXX.XXXXXX>.
+    following format: Author et al. (2023) <doi:10.5281/zenodo.6619350>.
 License: MIT + file LICENSE
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)
 RoxygenNote: 7.2.1
 Suggests: 
+    spelling,
     testthat (>= 3.0.0)
 Config/testthat/edition: 3
 Config/Needs/website:
     epiverse-trace/epiversetheme
+Language: en-US

inst/WORDLIST

@@ -0,0 +1,19 @@
+CMD
+Codecov
+Epiverse
+Lifecycle
+Titlecase
+al
+codecov
+doi
+et
+gh
+github
+https
+io
+lifecycle
+packagename
+repo
+svg
+yaml
+zenodo

tests/spelling.R

@@ -0,0 +1,7 @@
+if (requireNamespace("spelling", quietly = TRUE)) {
+  spelling::spell_check_test(
+    vignettes = TRUE,
+    error = TRUE,
+    skip_on_cran = TRUE
+  )
+}