VS Code Dev Container (dev & test environment) (#605)

* build: dev container

Add a VS Code Dev Container from the blueprint at bceaae212f

* build: dev container test setup

Add support for unit testing in the dev container environment with debugging and code coverage.

* ci: adjust to dev container test restructuring

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* ci: fix coverage collection

* build: add dummy light to HA config

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* build: update dev container to Python 3.11 (for HA 2023.6)

* Add VS Code tasks

* Use pre-commit hooks for linting

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Unpin HA version

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Bas Nijholt <basnijholt@gmail.com>

config/configuration.yaml

@@ -0,0 +1,19 @@
+# https://www.home-assistant.io/integrations/default_config/
+default_config:
+
+# https://www.home-assistant.io/integrations/logger/
+logger:
+  default: info
+  logs:
+    custom_components.adaptive_lighting: debug
+
+light:
+  - platform: template
+    lights:
+      dummylight:
+        friendly_name: "Dummy Light"
+        turn_on:
+        turn_off:
+        set_level:
+        set_temperature:
+        supports_transition_template: "{{ true }}"