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>

fider_dev/README.md

@@ -0,0 +1,60 @@
+# Fider
+
+## Overview
+
+Feedback collection platform for product ideas, suggestions, and user voting.
+
+## Project Details
+
+-   **Project Repository:** [GitHub](https://github.com/getfider/fider)
+-   **Container Image:** [getfider/fider](https://hub.docker.com/r/getfider/fider)
+-   **Documentation:** [fider.io](https://fider.io/docs)
+-   **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
+
+    FIDER_JWT_SECRET – long random string, generate with `openssl rand -hex 32`
+    FIDER_BASE_URL – public URL of the instance
+    FIDER_SMTP_* – Fider requires working email to sign in (magic links)
+
+## Volume Notes
+
+    /var/lib/postgresql/data – PostgreSQL data
+
+## Network Notes
+
+Requires proxy network
+
+## Docker Run
+
+```bash
+docker run -d \
+  --name fider \
+  -p 3000:3000 \
+  -e BASE_URL=http://localhost:3000 \
+  -e DATABASE_URL=postgres://fider:pass@dbhost:5432/fider?sslmode=disable \
+  -e JWT_SECRET=changeme \
+  -e EMAIL_NOREPLY=noreply@example.com \
+  getfider/fider:stable
+```
+
+## Additional Notes / Gotchas
+
+Email is not optional — sign-in uses magic links, so SMTP (or Mailgun env vars) must be configured before first use.
+
+## Dockhand Stack, Deploy from Git
+
+Cookbooks Repository
+stackname: fider_dev
+Compose file path: fider_dev/compose.yaml
+Additional env file (optional): fider_dev/sample.env
+
+Then "Load" fider_dev/sample.env into the Environmental variables in dockhand
+
+Create the Stack