添加.htaccess和构建脚本

添加了.htaccess文件用于配置伪静态规则，并创建了一个新的构建脚本build.bt.sh，该脚本用于在BT环境中编译项目。构建脚本中包含了环境变量设置、清理旧文件、执行go build命令等步骤，确保项目的顺利构建。

.htaccess

@@ -0,0 +1 @@
+# 请将伪静态规则或自定义Apache配置填写到此处

build.bt.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+# Just use in BT
+
+cd `dirname $0`
+
+time=$(date "+%Y-%m-%d %H:%M:%S")
+
+echo "start run, time: ${time}"
+
+PATH=/usr/local/btgojdk/go1.23.4/bin:$PATH
+
+rm -f ./http-demo
+
+go version && echo "start go mod tidy" && go mod tidy && echo "start go build" && go build -o ./http-demo github.com/SongZihuan/Http-Demo/src/cmd/v1 && echo "build finished"
+
+ls -al ./ | grep http-demo
+
+echo "run finished"