Add to trouble shooting

A few things suggested by @xilin

mentioned in merge request !309 (merged)

merged

mentioned in commit 813c191e

The docs_deploy pipeline has failed. The retry did not help either. Here is the error:

Job #136: [ERROR] Server responded with an error: [3007] Unable to store file - file has been cleaned because of a client disconnect /eos/project/g/geomodel/www/home/assets/javascripts/lunr/min/lunr.ja.min.js; input/output error (destination)

@mbandier @rbianchi any ideas? Thanks.