添加快速进入编译环境脚本

quickstart/linux/x86_64/alpine-3.16-init.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -exu
+__DIR__=$(
+  cd "$(dirname "$0")"
+  pwd
+)
+
+test -f /etc/apk/repositories.save || cp /etc/apk/repositories /etc/apk/repositories.save
+sed -i 's/dl-cdn.alpinelinux.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apk/repositories
+
+apk update
+
+apk add vim alpine-sdk xz autoconf automake linux-headers clang-dev clang lld libtool cmake bison re2c gettext coreutils