refactor: dcloud 目录改名为 unicloud

同步 README 中的 crontab 安装路径引用。

Co-Authored-By: AtomCode (deepseek-v4-flash) <noreply@atomgit.com>

unicloud/README.md

@@ -20,7 +20,7 @@ Add to crontab to run automatically:
 # Renew DCloud uniCloud free-tier subscriptions.
 # Runs at 1:00 on the 26th of every month.
 #
-# Install with:  crontab /Users/Shared/product-产品/opx/sysconfig/dcloud/crontab.txt
+# Install with:  crontab /Users/Shared/product-产品/opx/sysconfig/unicloud/crontab.txt
 # (That replaces your whole crontab; use `crontab -e` to merge with existing entries.)
 0 1 26 * *  source renew_all.sh >> /tmp/dcloud-renew.log 2>&1
 ```

unicloud/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "dcloud-renew",
+  "name": "unicloud",
   "version": "1.0.0",
   "type": "module",
   "description": "",