Migrate abra installer to coopcloud.tech domain

Closes https://git.autonomic.zone/coop-cloud/abra/issues/150.

deploy/install.abra.coopcloud.tech/compose.yml

@@ -20,7 +20,7 @@ services:
       labels:
         - "traefik.enable=true"
         - "traefik.http.services.abra-installer.loadbalancer.server.port=80"
-        - "traefik.http.routers.abra-installer.rule=Host(`install.abra.autonomic.zone`)"
+        - "traefik.http.routers.abra-installer.rule=Host(`install.abra.autonomic.zone`,`install.abra.coopcloud.tech`)"
         - "traefik.http.routers.abra-installer.entrypoints=web-secure"
         - "traefik.http.routers.abra-installer.tls.certresolver=production"
 

deploy/install.abra.coopcloud.tech/nginx.conf

@@ -1,6 +1,6 @@
 server {
   listen         80 default_server;
-  server_name    install.abra.autonomic.zone;
+  server_name    install.abra.autonomic.zone install.abra.coopcloud.tech;
 
   location / {
     root /var/www/abra-installer;