fix: Apply all EC configurations in HA config packages

[chishm]

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Description

Fix support for packages in HA configuration by iterating all entity_controller: keys. This allows users to separate the EC configuration into multiple files.

A basic configuration example follows.

configuration.yaml:

homeassistant:
  packages: !include_dir_named packages

packages/room1.yaml:

entity_controller:
  room1_ec:
    sensors:
      - binary_sensor.room1
    entities:
      - light.room1

packages/room2.yaml:

entity_controller:
  room2_ec:
    sensors:
      - binary_sensor.room2
    entities:
      - light.room2

Related Issues

Closes

[danobot]

Looks good, please target develop branch and I'll merge

[chishm]

I've updated the pull request to target the develop branch now.

Thanks for responding to this so quickly. Also, thank you for writing EC, it's made using my motion sensors a lot easier.