restructured repo + created README.md

db/mariadb/docker-compose.yml

@@ -0,0 +1,13 @@
+services:
+  maria_db:
+    image: mariadb
+    restart: unless-stopped
+    environment:
+      MARIADB_ROOT_PASSWORD: ${MARIADB_ROOT_PASSWORD}
+    volumes:
+      - ${DB_PATH}:/var/lib/mysql:Z
+  adminer:
+    image: adminer
+    restart: unless-stopped
+    ports:
+      - ${ADMINER_PORT}:8080