add portainer; move nginx-p-m to the correct group

apps/reverse-proxy-sso/npm.md

@@ -0,0 +1,32 @@
+# nginx-proxy-manager
+
+- it's basically a very nice UI for nginx reverse-proxy
+- a very nice UI
+- making it extremely easy to use nginx
+
+<br>
+
+- [Github repo](https://github.com/jc21/nginx-proxy-manager)
+- [Homepage](https://nginxproxymanager.com/guide/#quick-setup)
+
+
+
+## docker-compose.yml
+```yml
+---
+services:
+  app:
+    image: 'jc21/nginx-proxy-manager:latest'
+    restart: unless-stopped
+    ports:
+      - '80:80'
+      - '81:81'
+      - '443:443'
+    volumes:
+      - ./data:/data
+      - ./letsencrypt:/etc/letsencrypt
+```
+
+Login with:
+- Email: admin@example.com
+- Password: changeme