Kitchensink: missing example file to showcase "Log" format

[jszczypk]

Describe the bug

Hi,
When selecting "Log" from "Document" dropdown, we receive HTML document stating that the file was not found.
Apparently https://github.com/ajaxorg/ace/tree/master/demo/kitchen-sink/docs does not contain proper file.

Expected Behavior

Show example log file when selecting "Log" from "Document" dropdown

Current Behavior

We see HTML with error message informing that the example Log file wasn't found

Reproduction Steps

Open https://ace.c9.io/build/kitchen-sink.html
Select "Log" from "Document" dropdown

Possible Solution

No response

Additional Information/Context

No response

Ace Version / Browser / OS / Keyboard layout

Current Kitchensink, independent from OS/Browser etc.