Add 0.25 to list of playback rates

src/invidious/views/components/player.ecr

@@ -44,7 +44,7 @@ var options = {
   aspectRatio: "<%= aspect_ratio %>",
   <% end %>
   preload: "auto",
-  playbackRates: [0.5, 0.75, 1.0, 1.25, 1.5, 2.0],
+  playbackRates: [0.25, 0.5, 0.75, 1.0, 1.25, 1.5, 2.0],
   controlBar: {
     children: [
       "playToggle",

src/invidious/views/preferences.ecr

@@ -41,7 +41,7 @@ function update_value(element) {
             <div class="pure-control-group">
                 <label for="speed"><%= translate(locale, "Default speed: ") %></label>
                 <select name="speed" id="speed">
-                <% {2.0, 1.5, 1.25, 1.0, 0.75, 0.5}.each do |option| %>
+                <% {2.0, 1.5, 1.25, 1.0, 0.75, 0.5, 0.25}.each do |option| %>
                     <option <% if preferences.speed == option %> selected <% end %>><%= option %></option>
                 <% end %>
                 </select>