Update '/api/v1/trending' to match documentation

src/invidious.cr

@@ -2013,14 +2013,14 @@ get "/api/v1/trending" do |env|
           json.field "title", title
           json.field "videoId", id
           json.field "videoThumbnails" do
-            json.object do
             qualities = [{name: "default", url: "default", width: 120, height: 90},
                          {name: "high", url: "hqdefault", width: 480, height: 360},
                          {name: "medium", url: "mqdefault", width: 320, height: 180},
             ]
+            json.array do
               qualities.each do |quality|
-                json.field quality[:name] do
                 json.object do
+                  json.field "quality", quality[:name]
                   json.field "url", "https://i.ytimg.com/vi/#{id}/#{quality["url"]}.jpg"
                   json.field "width", quality[:width]
                   json.field "height", quality[:height]
@@ -2028,12 +2028,13 @@ get "/api/v1/trending" do |env|
               end
             end
           end
-          end
 
           json.field "lengthSeconds", length_seconds
           json.field "viewCount", view_count
+          
           json.field "author", author
           json.field "authorUrl", author_url
+          
           json.field "published", published
           json.field "description", description
           json.field "descriptionHtml", descriptionHtml