v0.0.4 update: add configuration settings

Adds additional configuration settings to change behaviour during operation

• turn light on automatically on print start
• turn light off automatically on print finish
• turn light off automatically on print cancellation or failure

v0.0.3 update: allow 'switch' or 'light' HA entities

Allow for users to input switch or light entities into the plugin.
Switch entities do not provide JSON response when toggled (or actioned), which required code updates to support.

v0.0.2 update: formatting and url errors

Update incorrect url in plugin_url
Corrected formatting to remove all tabs and replace with spaces
Update to init.py version
Bold the need to avoid trailing space in HA url

initial: Update __init__.py

Initial release, corrected with feedback in preperation for OctoPrint Plugin Repository