feat(makefile): makefile for automatic setup

makefile

@@ -0,0 +1,22 @@
+# Makefile - 安裝環境工具
+
+.PHONY: all update upgrade install setup check
+
+all: setup
+
+update:
+	sudo apt update
+
+upgrade:
+	sudo apt upgrade -y
+
+install:
+	sudo apt install -y dotnet-sdk-8.0 golang-go
+
+setup: update upgrade install check
+	@echo "✅ 開發環境安裝完成！"
+
+check:
+	@echo "=== 檢查安裝結果 ==="
+	@dotnet --version || echo "⚠️ dotnet 未安裝成功"
+	@go version || echo "⚠️ go 未安裝成功"