Convert tabs to spaces

src/invidious/routes/api/v1/videos.cr

@@ -98,12 +98,12 @@ module Invidious::Routes::API::V1::Videos
 
         webvtt = String.build do |str|
           str << <<-END_VTT
-	        WEBVTT
-	        Kind: captions
-	        Language: #{tlang || caption.language_code}
+            WEBVTT
+            Kind: captions
+            Language: #{tlang || caption.language_code}
     
     
-	        END_VTT
+            END_VTT
 
           caption_nodes = caption_xml.xpath_nodes("//transcript/text")
           caption_nodes.each_with_index do |node, i|
@@ -128,11 +128,11 @@ module Invidious::Routes::API::V1::Videos
             end
 
             str << <<-END_CUE
-	        #{start_time} --> #{end_time}
-	        #{text}
+              #{start_time} --> #{end_time}
+              #{text}
     
     
-	        END_CUE
+              END_CUE
           end
         end
       end

src/invidious/videos/caption.cr

@@ -49,12 +49,12 @@ module Invidious::Videos
       end
       result = String.build do |result|
         result << <<-END_VTT
-		WEBVTT
-		Kind: captions
-		Language: #{tlang || @language_code}
+        WEBVTT
+        Kind: captions
+        Language: #{tlang || @language_code}
 
 
-		END_VTT
+        END_VTT
 
         result << "\n\n"