chore(mcp): 登记 Figma MCP 服务地址

让 Cursor 与 Claude 都能连到同一 Figma 端点，配置中不含凭据。

Co-authored-by: Cursor <cursoragent@cursor.com>

.cursor/mcp.json

@@ -1,3 +1,7 @@
 {
-  "mcpServers": {}
+  "mcpServers": {
+    "figma": {
+      "url": "https://mcp.figma.com/mcp"
+    }
+  }
 }

.mcp.json

@@ -0,0 +1,8 @@
+{
+  "mcpServers": {
+    "figma": {
+      "type": "http",
+      "url": "https://mcp.figma.com/mcp"
+    }
+  }
+}