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>

scp_pubkey_to_remote.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+echo You can also try ssh-copy-id user@remotehost
+
+if [ $1 ]
+then
+  REMOTEHOST=$1
+else
+  echo "::*** Enter << user@remotehost >> to connect to:"
+  read -p "***:: " REMOTEHOST
+fi
+
+scp ~/.ssh/id_rsa.pub $REMOTEHOST:~/tmp.pub
+
+ssh $REMOTEHOST "mkdir -p ~/.ssh && chmod 700 ~/.ssh && cat ~/tmp.pub >> ~/.ssh/authorized_keys && chmod 600 ~/.ssh/authorized_keys && rm -f ~/tmp.pub"
+
+echo "~/.ssh/id_rsa.pub is appended to $REMOTEHOST:~/.ssh/authorized_keys"