Implement label printer

[DivineThreepwood]

📜 Description

Changes proposed in this pull request:

• implement label printer that helps to resolve unit ids in bash scripts.

📸 Example

Help screen:

co-query-label
At least one id or alias has to be provided!

Usage:     bco-id-to-label [options] -- [UNIT_ID / UNIT_ALIAS]

Example:   "+APP_NAME+" ColorableLight-8
           "+APP_NAME+" 844a5b35-4b9c-4db2-9d22-4842db77bc95
           bco-query -v colorablelight-12

Print:     ${LABEL} @ ${LOCATION}

Example call:

# bco-query-label a27ba29b-6949-417a-8090-13354173357b
Regal Lampe @ Flur [ /location-5/location-12/colorablelight/colorablelight-8/ ]

[pLeminoq]

My comments to the code should be addressed and maybe also the automatic comments made by git.