refactor: 脚本及配置文件命名统一用 _ 分隔

将 .sh/.bat 脚本与 .js/.plist/.Dockerfile 等文件中以 - 分隔的文件名
改为 _ 分隔，dcloud-renew 目录改为 dcloud、script_nuance 目录改为
nuance，并同步更新脚本内部引用与 README 路径。

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

dcloud/package.json

@@ -0,0 +1,19 @@
+{
+  "name": "dcloud-renew",
+  "version": "1.0.0",
+  "type": "module",
+  "description": "",
+  "main": "renew.mjs",
+  "scripts": {
+    "begin": "npm install && npx playwright install-deps && npx playwright install chromium",
+    "fire": "source renew_all.sh",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "dotenv": "^17.4.2",
+    "playwright": "^1.62.0"
+  }
+}