Reorganize repo: one folder per application under apps/.

Move docker/ and configs/ into apps/<name>/ with config/ subfolders.
Proxmox split into hosts/pve and hosts/dell-proxmox. Nginx under
infrastructure/. Update sync script, RESTORE.md, and per-app READMEs.

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

apps/gitea/README.md

@@ -0,0 +1,8 @@
+# gitea
+
+| | |
+|---|---|
+| **Poort** | 3000 |
+| **Start** | `docker compose up -d` |
+
+Zie [apps/README.md](../README.md) en [RESTORE.md](../../RESTORE.md).

apps/gitea/docker-compose.yml

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+# docker-compose.yml — Gitea self-hosted Git op Synology NAS
+# Plaats op NAS: /volume1/docker/gitea/
+#
+# Bouwen & starten:  docker-compose up -d
+# Web UI:            http://192.168.1.211:3000
+# Git SSH clone:     git clone ssh://git@192.168.1.211:2222/gebruiker/repo.git
+
+services:
+  gitea:
+    image: gitea/gitea:latest
+    container_name: gitea
+    restart: unless-stopped
+
+    network_mode: host
+
+    environment:
+      - USER_UID=1026
+      - USER_GID=100
+      - TZ=Europe/Brussels
+      # SSH op alternatieve poort (2222) — NAS gebruikt poort 22
+      - GITEA__server__SSH_PORT=2222
+      - GITEA__server__SSH_LISTEN_PORT=2222
+      - GITEA__server__DOMAIN=192.168.1.211
+      - GITEA__server__ROOT_URL=http://192.168.1.211:3000
+      - GITEA__server__HTTP_PORT=3000
+      - GITEA__server__DISABLE_SSH=false
+      - GITEA__server__START_SSH_SERVER=true
+
+    volumes:
+      - gitea-data:/data
+      - gitea-config:/etc/gitea
+
+volumes:
+  gitea-data:
+  gitea-config: