give docker compose containers names to disambiguate them from other services

This should allow the compose file to be included in metacpan's
docker-compose without conflicts.

Author: haarg

docker-compose.yml

@@ -1,13 +1,13 @@
 services:
-  asset-build:
+  web-asset-build:
     build:
       context: .
       target: build-assets
     volumes:
       - './root:/build/root/'
       - 'assets:/build/root/assets/'
     command: ['./build-assets.mjs', '--watch']
-  server:
+  web-server:
     build:
       context: .
       target: develop