Persist dev data in temp folder

.gitignore

@@ -1,3 +1,4 @@
+.tmp/
 node_modules/
 theme/style.css
 theme/bundle.js

docker-compose.yml

@@ -9,6 +9,7 @@ wordpress:
   ports:
     - "80:80"
   volumes:
+    - ./.tmp/wp-content:/var/www/html/wp-content
     - ./theme:/var/www/html/wp-content/themes/windycoys
 db:
   environment:
@@ -17,3 +18,5 @@ db:
     - MYSQL_ROOT_PASSWORD=password
     - MYSQL_USER=windycoys
   image: 'mariadb:10.3.4'
+  volumes:
+    - ./.tmp/mysql:/var/lib/mysql