Add RAGApp integration into configuration

- Updated .env.example to include RAGAPP_HOSTNAME, RAGAPP_USERNAME, and RAGAPP_PASSWORD for basic authentication.
- Modified Caddyfile to implement basic authentication for the RAGApp reverse proxy.
- Enhanced docker-compose.yml to add a new RAGApp service with necessary environment variables.
- Updated scripts to generate RAGApp credentials and include them in the setup wizard and final report.
- Documented RAGApp details in the final report for user visibility.

.env.example

@@ -147,6 +147,7 @@ PORTAINER_HOSTNAME=portainer.yourdomain.com
 LETTA_HOSTNAME=letta.yourdomain.com
 QDRANT_HOSTNAME=qdrant.yourdomain.com
 COMFYUI_HOSTNAME=comfyui.yourdomain.com
+RAGAPP_HOSTNAME=ragapp.yourdomain.com
 LETSENCRYPT_EMAIL=
 
 # Everything below this point is optional.
@@ -154,6 +155,14 @@ LETSENCRYPT_EMAIL=
 
 RUN_N8N_IMPORT=
 
+############
+# [required]
+# RAGApp credentials - used for Basic Auth in Caddy
+############
+
+RAGAPP_USERNAME=
+RAGAPP_PASSWORD=
+
    #
    #
 #######
@@ -311,3 +320,4 @@ COMPOSE_PROFILES="n8n,flowise,monitoring"
 PROMETHEUS_PASSWORD_HASH=
 SEARXNG_PASSWORD_HASH=
 COMFYUI_PASSWORD_HASH=
+RAGAPP_PASSWORD_HASH=