better names for config files

docker-compose.yml

@@ -17,7 +17,7 @@ services:
             dockerfile: ./docker/Dockerfile-tt-rss
         volumes:
             - ./tt-rss:/var/www/html/tt-rss
-            - ./docker/config.php:/var/www/html/tt-rss/config.php:ro
+            - ./docker/ttrss-config.php:/var/www/html/tt-rss/config.php:ro
         ports:
             [] #- 8000:80
 
@@ -31,7 +31,7 @@ services:
     webserver:
         image: nginx:latest
         volumes:
-            - ./docker/rss.conf:/etc/nginx/conf.d/default.conf:ro
+            - ./docker/nginx.conf:/etc/nginx/conf.d/default.conf:ro
         ports:
             - 12000:80