Add produce_channel_playlists_url

src/invidious/helpers/utils.cr

@@ -240,21 +240,21 @@ def get_referer(env, fallback = "/")
 end
 
 def read_var_int(bytes)
-  numRead = 0
+  num_read = 0
   result = 0
 
-  read = bytes[numRead]
+  read = bytes[num_read]
 
   if bytes.size == 1
     result = bytes[0].to_i32
   else
     while ((read & 0b10000000) != 0)
-      read = bytes[numRead].to_u64
+      read = bytes[num_read].to_u64
       value = (read & 0b01111111)
-      result |= (value << (7 * numRead))
+      result |= (value << (7 * num_read))
 
-      numRead += 1
-      if numRead > 5
+      num_read += 1
+      if num_read > 5
         raise "VarInt is too big"
       end
     end