Add parsing of CloudFoundry env var to extract redis connection data

[sseide]

running inside ibm cloud and some others redis connection data are supplied via environment variable.
Package cfenv can parse and extract values.

Params needed

• enable cf parsing
• name(s) of services to extract connection infos for (default redis-compose)?

Examples:

• https://github.com/sandwi/redis-commander
• https://github.com/hrvojep/redis-commander