Step 4.1: First step to get synchronization of filesystem and ElasticSearch
Step 4.2: Recursively index all documents in the configured folder
Step 4.3: Introduced CronActor to re-index all documents periodically
Step 4.4: Introduced search
Step 5.1: Introduced webjars
Step 5.2: Adapted rest of ui
Step 6: Documentation :-)
Step 7: Documentation - introduced remote client