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>

voidauth_dev/README.md

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+# VoidAuth
+
+## Overview
+
+Lightweight self-hosted authentication system (SSO / identity provider).
+
+## Project Details
+
+-   **Project Repository:** [GitHub](https://github.com/voidauth/voidauth)
+-   **Container Image:** [voidauth/voidauth](https://hub.docker.com/r/voidauth/voidauth)
+-   **Documentation:** [voidauth.app](https://voidauth.app/)
+-   **Reverse Proxy Port:** `3000`
+
+## Getting Started
+
+1. Start the container: `docker compose up -d`
+2. Open http://localhost:3000 in your browser
+3. Follow the initial setup wizard to configure the application
+
+## Environment Variable Notes
+
+    VOIDAUTH_STORAGE_KEY – encryption key, generate with `openssl rand -hex 32`; do not change after setup
+    VOIDAUTH_APP_URL – public URL of the instance
+
+## Volume Notes
+
+    /var/lib/postgresql/data – PostgreSQL data
+
+## Network Notes
+
+Requires proxy network
+
+## Docker Run
+
+```bash
+docker run -d \
+  --name voidauth \
+  -p 3000:3000 \
+  -e APP_URL=http://localhost:3000 \
+  -e STORAGE_KEY=changeme \
+  -e DB_HOST=dbhost -e DB_PASSWORD=pass \
+  voidauth/voidauth:latest
+```
+
+## Additional Notes / Gotchas
+
+See also authentik_dev, authelia_dev, and tinyauth_dev in this repo for alternative auth stacks.
+
+## Dockhand Stack, Deploy from Git
+
+Cookbooks Repository
+stackname: voidauth_dev
+Compose file path: voidauth_dev/compose.yaml
+Additional env file (optional): voidauth_dev/sample.env
+
+Then "Load" voidauth_dev/sample.env into the Environmental variables in dockhand
+
+Create the Stack

voidauth_dev/compose.yaml

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+services:
+  voidauth:
+    image: ${VOIDAUTH_IMAGE:-voidauth/voidauth:latest}
+    restart: ${VOIDAUTH_RESTART:-unless-stopped}
+    environment:
+      - APP_URL=${VOIDAUTH_APP_URL:-http://localhost:3000}
+      - STORAGE_KEY=${VOIDAUTH_STORAGE_KEY:-ChangeThisPassword}
+      - DB_HOST=voidauth-db
+      - DB_PASSWORD=${VOIDAUTH_DB_PASSWORD:-ChangeThisPassword}
+    ports:
+      - ${VOIDAUTH_PORT:-3000}:3000
+    networks:
+      - proxy
+      - internal
+    depends_on:
+      - voidauth-db
+
+  voidauth-db:
+    image: ${POSTGRES_IMAGE:-postgres:17-alpine}
+    restart: ${VOIDAUTH_RESTART:-unless-stopped}
+    volumes:
+      - ${VOL_PATH:-/data}/voidauth/db:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_DB=voidauth
+      - POSTGRES_USER=postgres
+      - POSTGRES_PASSWORD=${VOIDAUTH_DB_PASSWORD:-ChangeThisPassword}
+    networks:
+      - internal
+
+networks:
+  proxy:
+    external: true
+  internal:

voidauth_dev/sample.env

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+# VoidAuth
+VOL_PATH=/data
+VOIDAUTH_IMAGE=voidauth/voidauth:latest
+POSTGRES_IMAGE=postgres:17-alpine
+VOIDAUTH_RESTART=unless-stopped
+VOIDAUTH_PORT=3000
+VOIDAUTH_APP_URL=http://localhost:3000
+VOIDAUTH_STORAGE_KEY=ChangeThisPassword
+VOIDAUTH_DB_PASSWORD=ChangeThisPassword