additional validation for trivia settings

Author: Matthew Petersen

index.js

@@ -827,6 +827,7 @@ async function checkEnabled() {
     loadedSettings.triviaCategories.length !== 0 &&
     loadedSettings.triviaTimer !== undefined &&
     loadedSettings.triviaNumber !== undefined &&
+    loadedSettings.triviaFrequency !== undefined &&
     loadedSettings.enableTrivia !== 'false'
   ) {
     isTriviaEnabled = true;

myviews/settings.ejs

@@ -928,7 +928,7 @@
                 </div>
                 <div class="form-group">
                   <label for="triviaTimer">Number of questions</label>
-                  <input type="text" class="form-control" id="triviaNumber" name="triviaNumber" aria-describedby="triviaNumber" placeholder=""
+                  <input type="text" class="form-control" id="triviaNumber" name="triviaNumber" aria-describedby="triviaNumber" placeholder="Suggest 3"
                    value="<% if(typeof formData !== 'undefined' && errors){%><%=formData.triviaNumber%>"<%}else{%><%=settings.triviaNumber%>"<%}%>>
                   <small id="triviaNumberHelp" class="form-text text-muted">Enter the number of questions for each category to display.</small>
                 </div>