feat: 添加多平台构建脚本并输出构建结果

- 添加构建脚本以针对多个平台编译服务器输出文件并打印构建结果

build.ts

@@ -0,0 +1,23 @@
+const targets = [
+  'bun-windows-x64',
+  'bun-darwin-arm64',
+  'bun-linux-x64',
+] as const
+
+const outputs = await Promise.all(
+  targets.map((target) =>
+    Bun.build({
+      entrypoints: ['./.output/server/index.mjs'],
+      compile: {
+        outfile: `server-${target}`,
+        target,
+      },
+      outdir: './out',
+    }),
+  ),
+)
+
+for (const [index, output] of outputs.entries()) {
+  console.log(`\n${targets[index]}:`)
+  console.log(output.outputs)
+}