Add correct base URL to dev container

Author: DavidMStraub

.devcontainer/docker-compose.yml

@@ -10,6 +10,7 @@ services:
     environment:
       LANGUAGE: en
       OMP_NUM_THREADS: 1
+      GRAMPSWEB_BASE_URL: http://localhost:8001
       GRAMPSWEB_USER_DB_URI: sqlite:////workspaces/web-api/data/users.sqlite
       GRAMPSWEB_MEDIA_BASE_DIR: /workspaces/web-api/data/media
       GRAMPSWEB_SEARCH_INDEX_DB_URI: sqlite:////workspaces/web-api/data/indexdir/search_index.db