Add initial README and YAML linting configuration files

Author: jeppestaerk

.README.j2

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+# Staerk Home Assistant Add-ons
+
+[![License][license-shield]][license]
+
+## About
+
+Home Assistant add-ons repository by Jeppe Stærk. These add-ons extend the functionality of your Home Assistant installation.
+
+## Installation
+
+Click the button below to add this repository to your Home Assistant instance:
+
+[![Open your Home Assistant instance and show the add add-on repository dialog with a specific repository URL pre-filled.](https://my.home-assistant.io/badges/supervisor_add_addon_repository.svg)](https://my.home-assistant.io/redirect/supervisor_add_addon_repository/?repository_url={{ repo | safe}})
+
+Or use the following URL to add this repository:
+
+```txt
+{{ repo }}
+```
+
+## Add-ons
+
+{% for addon in addons %}
+### ✓ [{{ addon.name }}][addon-{{ addon.target }}]
+
+![Latest Version][{{ addon.target }}-version-shield]
+![Supports armhf Architecture][{{ addon.target }}-armhf-shield]
+![Supports armv7 Architecture][{{ addon.target }}-armv7-shield]
+![Supports aarch64 Architecture][{{ addon.target }}-aarch64-shield]
+![Supports amd64 Architecture][{{ addon.target }}-amd64-shield]
+![Supports i386 Architecture][{{ addon.target }}-i386-shield]
+
+{{ addon.description }}
+
+[:books: {{ addon.name }} add-on documentation][addon-doc-{{ addon.target }}]
+
+{% endfor %}
+
+## Support
+
+Got questions?
+
+- Create an issue on GitHub for bug reports, feature requests, or questions
+- Add a ⭐️ [star on GitHub]({{ repo }}) to support the project
+
+## Acknowledgments
+
+Special thanks to [Franck Nijhof][frenck] and the [Home Assistant Community Add-ons][ha-addons] project for their invaluable work. This add-on heavily relies on their foundation:
+
+- Base container images
+- CI, workflows and best practices
+- Readme and docs templates
+
+Their open-source contributions make add-ons like this possible.
+
+## License
+
+MIT License - Copyright (c) 2025 Jeppe Stærk
+
+{% for addon in addons %}
+[addon-{{ addon.target }}]: {{ addon.repo }}/tree/{{ addon.version }}
+[addon-doc-{{ addon.target}}]: {{ addon.repo }}/blob/{{ addon.version }}/README.md
+[{{ addon.target }}-issue]: {{ addon.repo }}/issues
+[{{ addon.target }}-version-shield]: https://img.shields.io/badge/version-{{ addon.version }}-blue.svg
+{% for arch in ['aarch64', 'amd64', 'armhf', 'armv7', 'i386'] %}
+{% if arch in addon.archs %}
+[{{ addon.target }}-{{ arch }}-shield]: https://img.shields.io/badge/{{ arch }}-yes-green.svg
+{% else %}
+[{{ addon.target }}-{{ arch }}-shield]: https://img.shields.io/badge/{{ arch }}-no-red.svg
+{% endif %}
+{% endfor %}
+{% endfor %}
+[license]: https://github.com/staerk-ha-addons/repository/blob/main/LICENSE
+[license-shield]: https://img.shields.io/github/license/staerk-ha-addons/repository.svg

.yamllint

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+---
+ignore: |
+  */translations/*.yaml
+  */config.yaml
+  */config.yml
+rules:
+  braces:
+    level: error
+    min-spaces-inside: 0
+    max-spaces-inside: 1
+    min-spaces-inside-empty: -1
+    max-spaces-inside-empty: -1
+  brackets:
+    level: error
+    min-spaces-inside: 0
+    max-spaces-inside: 0
+    min-spaces-inside-empty: -1
+    max-spaces-inside-empty: -1
+  colons:
+    level: error
+    max-spaces-before: 0
+    max-spaces-after: 1
+  commas:
+    level: error
+    max-spaces-before: 0
+    min-spaces-after: 1
+    max-spaces-after: 1
+  comments:
+    level: error
+    require-starting-space: true
+    min-spaces-from-content: 2
+  comments-indentation:
+    level: error
+  document-end:
+    level: error
+    present: false
+  document-start:
+    level: error
+    present: true
+  empty-lines:
+    level: error
+    max: 1
+    max-start: 0
+    max-end: 1
+  hyphens:
+    level: error
+    max-spaces-after: 1
+  indentation:
+    level: error
+    spaces: 2
+    indent-sequences: true
+    check-multi-line-strings: false
+  key-duplicates:
+    level: error
+  line-length:
+    level: warning
+    max: 120
+    allow-non-breakable-words: true
+    allow-non-breakable-inline-mappings: true
+  new-line-at-end-of-file:
+    level: error
+  new-lines:
+    level: error
+    type: unix
+  trailing-spaces:
+    level: error
+  truthy:
+    level: error