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/compose.yaml

@@ -0,0 +1,14 @@
+services:
+  dashy:
+    image: ${DASHY_IMAGE:-lissy93/dashy:latest}
+    restart: ${DASHY_RESTART:-unless-stopped}
+    volumes:
+      - ${VOL_PATH:-/data}/dashy/user-data:/app/user-data
+    ports:
+      - ${DASHY_PORT:-4000}:8080
+    networks:
+      - proxy
+
+networks:
+  proxy:
+    external: true