JSDoc for extra/

Signed-off-by: Matthew Nickson <mnickson@sidingsmedia.com>

extra/update-wiki-version.js

@@ -10,6 +10,10 @@ if (!newVersion) {
 
 updateWiki(newVersion);
 
+/**
+ * Update the wiki with new version number
+ * @param {string} newVersion Version to update to
+ */
 function updateWiki(newVersion) {
     const wikiDir = "./tmp/wiki";
     const howToUpdateFilename = "./tmp/wiki/🆙-How-to-Update.md";
@@ -39,6 +43,10 @@ function updateWiki(newVersion) {
     safeDelete(wikiDir);
 }
 
+/**
+ * Check if a directory exists before deleting
+ * @param {string} dir Directory to delete
+ */
 function safeDelete(dir) {
     if (fs.existsSync(dir)) {
         fs.rm(dir, {