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/wazuh/config/certs.yml

@@ -0,0 +1,16 @@
+nodes:
+  # Wazuh indexer server nodes
+  indexer:
+    - name: wazuh.indexer
+      ip: wazuh.indexer
+
+  # Wazuh server nodes
+  # Use node_type only with more than one Wazuh manager
+  server:
+    - name: wazuh.manager
+      ip: wazuh.manager
+
+  # Wazuh dashboard node
+  dashboard:
+    - name: wazuh.dashboard
+      ip: wazuh.dashboard