Add full homelab inventory and remaining home services.

UniFi, Joplin, Glance, Uptime Kuma, Whoogle, Synology packages docs,
Proxmox LXC inventory, Portainer stacks, and INVENTORY.md master list.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/glance/README.md

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+# Glance
+
+Dashboard. NAS-map `Configs/glance` was leeg — voeg `config/glance.yml` toe wanneer je Glance deployt.
+
+Poort: **8081** (standaard in compose).

apps/glance/docker-compose.yml

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+# Glance — dashboard (config map nog leeg op NAS)
+services:
+  glance:
+    image: glanceapp/glance:latest
+    container_name: glance
+    restart: unless-stopped
+    ports:
+      - "${GLANCE_PORT:-8081}:8080"
+    volumes:
+      - ./config:/app/config
+    environment:
+      TZ: ${TZ:-Europe/Brussels}