Fix typo + reformat

docker-compose.yml

 version: "3"
 
 services:
-    hemmelig:
+  hammelig:
     image: hemmeligapp/hemmelig:v5.19.24 # https://github.com/HemmeligOrg/Hemmelig.app/tags
     hostname: hemmelig
     init: true

ports.yml

 version: "3"
 
 services:
-    hemmelig:
+  hammelig:
     ports:
       - ${PORT}:3000

traefik.yml

 version: "3"
 
 services:
-    hemmelig:
+  hammelig:
     networks:
       - default
       - traefik