add 23 requested stacks from container-requests list

Tdarr, Grocy, Dashy, Traefik, Fider, Twenty CRM, Outline, Chatwoot,
ComfyUI, Picard, VoidAuth, Tinyauth, Tugtainer, Sencho, Authelia,
Mail Archiver, ITFlow, Notifuse, Maybe Finance, DumbBudget, Silverpeas,
Portus, Obsidian — all as _dev stacks following repo conventions.

Harbor and Exportify moved to 'Apps That Will Not be in the Repo'
(installer-generated compose / no published image).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

dashy_dev/README.md

@@ -0,0 +1,56 @@
+# Dashy
+
+## Overview
+
+Customizable self-hosted dashboard for organizing apps, services, and links.
+
+## Project Details
+
+-   **Project Repository:** [GitHub](https://github.com/Lissy93/dashy)
+-   **Container Image:** [lissy93/dashy](https://hub.docker.com/r/lissy93/dashy)
+-   **Documentation:** [dashy.to](https://dashy.to/docs/)
+-   **Reverse Proxy Port:** `8080`
+
+## Getting Started
+
+1. Start the container: `docker compose up -d`
+2. Open http://localhost:4000 in your browser
+3. Follow the initial setup wizard to configure the application
+
+## Environment Variable Notes
+
+    DASHY_PORT – host port for the web UI
+
+## Volume Notes
+
+    /app/user-data – conf.yml and all dashboard configuration
+
+## Network Notes
+
+Requires proxy network
+
+## Docker Run
+
+```bash
+docker run -d \
+  --name dashy \
+  -p 4000:8080 \
+  -v /data/dashy/user-data:/app/user-data \
+  lissy93/dashy:latest
+```
+
+## Additional Notes / Gotchas
+
+Configuration lives in `user-data/conf.yml` and can also be edited from the UI.
+The repo already contains heimdall and homepage_dev as alternative dashboards.
+
+## Dockhand Stack, Deploy from Git
+
+Cookbooks Repository
+stackname: dashy_dev
+Compose file path: dashy_dev/compose.yaml
+Additional env file (optional): dashy_dev/sample.env
+
+Then "Load" dashy_dev/sample.env into the Environmental variables in dockhand
+
+Create the Stack