Add support for Dreamegg Nite 1 (#4048)
* Add support for Dreamegg Nite 1
* Add select sound entity for Dreamegg Nite 1
* feat (dreamegg_nite_1): changes from review
- Follow HA naming convention (case changes)
- Use translations from timer for the time format select
- Add time entity back after earlier removal
- remove duplicated select entity for siren tone
PR #4048
* fix (dreamegg_nite1_soundmachine): rename to follow convention
Generally files should be named BRAND_MODEL_TYPE, not BRAND_MODELPART1_MODELPART2
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Co-authored-by: Jason Rumney <make-all@users.noreply.github.com>