Update README files across configuration directories to enhance navigation and clarity

- Added "You are here" sections to various README files in the config directory, improving user orientation.
- Updated links in the main README to reflect new structure and provide direct access to configuration readmes.
- Enhanced descriptions in the automation, packages, scenes, scripts, and sounds directories for better usability.
https://github.com/CCOSTAN/Home-AssistantConfig/pull/1535

config/packages/README.md

@@ -19,6 +19,7 @@
 Live collection of plug-and-play Home Assistant packages. Each YAML file in this folder bundles sensors, helpers, automations, scripts, and Lovelace assets needed for a specific subsystem so you can drop it into `configuration.yaml` with a single `packages:` include.
 
 ### Quick navigation
+- You are here: `config/packages/` (self-contained packages)
 - [Repo overview](../../README.md) | [Config index](../README.md) | [Automations](../automation) | [Scripts](../script) | [Scenes](../scene) | [Templates](../templates) | [Package triggers](triggers) | [YouTube](https://youtube.com/vCloudInfo) | [Blog](https://www.vcloudinfo.com)
 - Disabled/staging packages follow the `.disabled` or `.NOTWORKING` suffix; remove it after you update credentials or hardware.
 - Looking for the full gear list? See [../legacy-readme.md](../../legacy-readme.md).

config/packages/triggers/README.md

@@ -17,9 +17,10 @@
 
 </div>
 
-Small, reusable trigger packages<65>button presses, state trackers, and helper flows that other packages import.
+Small, reusable trigger packages<65>button presses, state trackers, and helper flows that other packages import.
 
 ### Quick navigation
+- You are here: `config/packages/triggers/` (shared trigger examples)
 - [Repo overview](../../../README.md) | [Config index](../../README.md) | [Packages home](..) | [Automation home](../../automation)
 
 ![Home Assistant header](https://i.imgur.com/vjDH1LJ.png)