refactor: nammed docker volume, manage version and common env files name

.gitignore

@@ -1 +1 @@
-onlyoffice.env
+*.env

docker-compose.yml

@@ -1,20 +1,20 @@
 services:
   onlyoffice-document-server:
-    image: onlyoffice/documentserver:latest
-    container_name: onlyoffice-document-server
+    image: onlyoffice/documentserver:9.2
+    container_name: onlyoffice
     restart: always
     volumes:
-      - data:/var/www/onlyoffice/Data
-      - log:/var/log/onlyoffice
+      - onlyoffice_data:/var/www/onlyoffice/Data
     env_file:
-      - onlyoffice.env
+      - app.env
     networks:
       - reverse-proxy
 
 volumes:
-  data:
-  log:
+  onlyoffice_data:
+    external: true
 
 networks:
   reverse-proxy:
     external: true
+