feat: add Linux/Unix scripts and Makefile entry

Makefile

@@ -0,0 +1,39 @@
+# SFCraft 文档 · 构建 / 开发入口 (跨平台)
+#
+# Linux / macOS:   make build / make dev / make sync
+# Windows(有 make 时): 同样可用, 自动调用 PowerShell 脚本
+#
+# 可附加 hugo 参数: make dev HUGO_ARGS="--port 1314"
+
+.PHONY: help sync build dev
+
+HUGO_ARGS ?=
+
+ifeq ($(OS),Windows_NT)
+  PS := powershell -NoProfile -ExecutionPolicy Bypass -File
+  BUILD_CMD := $(PS) scripts/build.ps1
+  DEV_CMD   := $(PS) scripts/dev.ps1
+  SYNC_CMD  := $(PS) scripts/sync-items.ps1
+else
+  BUILD_CMD := ./scripts/build.sh
+  DEV_CMD   := ./scripts/dev.sh
+  SYNC_CMD  := ./scripts/sync-items.sh
+endif
+
+help:
+	@echo "SFCraft 文档"
+	@echo "  make build   同步物品贴图并执行 hugo 构建"
+	@echo "  make dev     同步物品贴图并启动 hugo 开发服务器"
+	@echo "  make sync    仅同步物品贴图"
+	@echo "  make help    显示本帮助"
+	@echo ""
+	@echo "可附加 hugo 参数: make dev HUGO_ARGS=\"--port 1314\""
+
+sync:
+	$(SYNC_CMD)
+
+build:
+	$(BUILD_CMD) $(HUGO_ARGS)
+
+dev:
+	$(DEV_CMD) $(HUGO_ARGS)