feat: OpsxDB 桌面数据库客户端首版入库

含工作台/连库多引擎字段与 SSH·SSL、结果编辑、Redis 键浏览、
Tauri 桌面与 docs/落地页；排除本地构建产物与 sidecar 二进制。

Makefile

@@ -0,0 +1,32 @@
+.PHONY: install web gui all server stop status build-web test desktop
+
+install:
+	npm install
+	npm --prefix apps/desktop install
+
+web:
+	./run.sh web
+
+gui:
+	./run.sh gui
+
+all:
+	./run.sh all
+
+server:
+	./run.sh server
+
+stop:
+	./run.sh stop
+
+status:
+	./run.sh status
+
+desktop:
+	./run.sh desktop
+
+build-web:
+	npm run build:web
+
+test:
+	npm run test:core