feat: add adminer docker deployment files

add env.cfg configuration, stack.yml compose file and readme documentation for adminer deployment

adminer/stack.yml

@@ -0,0 +1,15 @@
+# pull:: docker compose -p adminer --env-file ./adminer/env.cfg -f ./adminer/stack.yml pull
+# run:: docker compose -p adminer --env-file ./adminer/env.cfg -f ./adminer/stack.yml up -d
+
+services:
+  adminer:
+    image: ${IMAGE_TAG}
+    container_name: adminer
+    restart: unless-stopped
+    ports:
+      - '8080:8080'
+    environment:
+      - TZ=Asia/Shanghai
+    volumes:
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro