docs: 移除 Docker Compose 相关文档

移除了以下内容:
- Docker Compose 安装指南
- Clash、frps、rustdesk 和 vaultwarden 的 Docker Compose 部署文档
- 相关的 docker-compose.yml 文件和 .env 文件

docker/compose/frps/scripts/init.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+source ./.env
+
+sed -i "s/bindPort = .*$/bindPort = ${PANEL_APP_PORT_SERVICE}/" ./data/frps.toml
+sed -i "s/auth\.token = \".*\"/auth.token = \"${AUTH_TOKEN}\"/" ./data/frps.toml
+sed -i "s/webServer\.port = .*$/webServer.port = ${PANEL_APP_PORT_HTTP}/" ./data/frps.toml
+sed -i "s/webServer\.user = \".*\"/webServer.user = \"${USER_NAME}\"/" ./data/frps.toml
+sed -i "s/webServer\.password = \".*\"/webServer.password = \"${PASSWORD}\"/" ./data/frps.toml