fix: DATA_DIR env var pour chemins logos/icons (dev vs Docker)

docker-compose.yml

@@ -14,6 +14,7 @@ services:
       PORT: 4000
       DB_PATH: /app/data/crowdlending.db
       UPLOAD_DIR: /app/uploads
+      DATA_DIR: /app/data
     volumes:
       - ../../volumes/crowdlending/data:/app/data
       - ../../volumes/crowdlending/uploads:/app/uploads