Add lock option for slider

New feature to lock the button, requiring a click or touch to unlock the button/slider to prevent accidental touch or click.
Use the visual editor or add the following in yaml:

slider:
  lock:
    enabled: true
    duration: 5

Add German and Korean translations

Add translations for:

• German, thanks to @frauhottelmann
• Korean, thanks to @JoshandNancy

Add Portuguese translation

Thanks to @red-machine95

Fix gradient on iOS and custom css vars

Fix background gradient rendered from red on iOS
Fix custom styles css vars required !important;

Add support for lock entities, examples added to readme

Lock entities are now supported.
Also the readme is updated with yaml examples.

Add support for climate entities

The climate domain now supported.

• min value for slider = entity min_temp. Override manually via yaml slider.min.
• max value for slider = entity max_temp. Override manually via yaml slider.max.

Add compact mode

Add config option compact which defaults to false.
Display name and state inline with icon, this way the button has a compact height.
Mostly useful for full width cards.

Possible fix for cover invert

v1.7.1-beta

fix: cover invert

Add invert option for covers

Add slider.invert config option. Default for cover is true, for all other domains false.
Fixes problems with cover entities using different percentages for open / close state.

No Visual editor option yet, needs to be set via yaml for now.

Add support for climate entities

v1.7.0-beta

fix: correct label