Add yaml to RStudio snippets (#1941)

* Add yaml to RStudio snippets

* Add news + redocument

---------

Co-authored-by: Jennifer (Jenny) Bryan <[email protected]>

Author: olivroy

NEWS.md

@@ -1,5 +1,7 @@
 # usethis (development version)
 
+* `edit_rstudio_snippets()` now accepts yaml snippets (@olivroy, #1941).
+
 * `use_standalone()` inserts an improved header that includes the code needed to
   update the standalone file (@krlmlr, #1903).
 

R/edit.R

@@ -144,7 +144,7 @@ edit_r_makevars <- function(scope = c("user", "project")) {
 #' @param type Snippet type (case insensitive text).
 edit_rstudio_snippets <- function(type = c(
                                     "r", "markdown", "c_cpp", "css",
-                                    "html", "java", "javascript", "python", "sql", "stan", "tex"
+                                    "html", "java", "javascript", "python", "sql", "stan", "tex", "yaml"
                                     )) {
 
   type <- tolower(type)