docs: tops compose refresh and configs inventory index.

Update tops stack notes and configs/README service listing.

configs/tops/compose.yml

@@ -2,13 +2,14 @@
 # Live: /home/hernani/koopa-tops/
 # Usage: cd ~/koopa-tops && podman compose -f deploy/compose.yml up -d
 
+# nginxinc/nginx-unprivileged: process is non-root; listens on 8080 (not 80).
 services:
   tops-ng1:
-    image: docker.io/library/nginx:1.27-alpine
+    image: docker.io/nginxinc/nginx-unprivileged:1.27-alpine
     container_name: koopa-tops-ng1
     restart: unless-stopped
     ports:
-      - "9090:80"
+      - "9090:8080"
     volumes:
       - ../ng1:/usr/share/nginx/html:ro
     labels:
@@ -17,17 +18,17 @@ services:
       org.hacktivism.site: tops.ng1.hacktivism.ch
       org.hacktivism.managed_by: koopa-admin
     healthcheck:
-      test: ["CMD", "wget", "-q", "-O", "/dev/null", "http://127.0.0.1/"]
+      test: ["CMD", "wget", "-q", "-O", "/dev/null", "http://127.0.0.1:8080/"]
       interval: 30s
       timeout: 5s
       retries: 3
 
   tops-ng2:
-    image: docker.io/library/nginx:1.27-alpine
+    image: docker.io/nginxinc/nginx-unprivileged:1.27-alpine
     container_name: koopa-tops-ng2
     restart: unless-stopped
     ports:
-      - "9091:80"
+      - "9091:8080"
     volumes:
       - ../ng2:/usr/share/nginx/html:ro
     labels:
@@ -36,17 +37,17 @@ services:
       org.hacktivism.site: tops.ng2.hacktivism.ch
       org.hacktivism.managed_by: koopa-admin
     healthcheck:
-      test: ["CMD", "wget", "-q", "-O", "/dev/null", "http://127.0.0.1/"]
+      test: ["CMD", "wget", "-q", "-O", "/dev/null", "http://127.0.0.1:8080/"]
       interval: 30s
       timeout: 5s
       retries: 3
 
   tops-ng3:
-    image: docker.io/library/nginx:1.27-alpine
+    image: docker.io/nginxinc/nginx-unprivileged:1.27-alpine
     container_name: koopa-tops-ng3
     restart: unless-stopped
     ports:
-      - "9092:80"
+      - "9092:8080"
     volumes:
       - ../ng3:/usr/share/nginx/html:ro
     labels:
@@ -55,7 +56,7 @@ services:
       org.hacktivism.site: tops.ng3.hacktivism.ch
       org.hacktivism.managed_by: koopa-admin
     healthcheck:
-      test: ["CMD", "wget", "-q", "-O", "/dev/null", "http://127.0.0.1/"]
+      test: ["CMD", "wget", "-q", "-O", "/dev/null", "http://127.0.0.1:8080/"]
       interval: 30s
       timeout: 5s
       retries: 3