lldap-extra-volume-mounts

[flashpixx]

What this PR does / why we need it

The PR extends on the LLDAP chart the possibility to add extra volumes and mounts e.g. for secret

Which issue this PR fixes

• fixes #81

Special notes for your reviewer

Checklist

• [x] Chart Version bumped
• [x] Title of the PR starts with chart name (e.g. [prometheus-couchdb-exporter])

[djjudas21]

This is great - thanks!