feat: support auto check upgrade (#53)

frontend/src/api/version.js

@@ -0,0 +1,15 @@
+import request from "@/api/index";
+
+export function getVersion() {
+    return request({
+        url: '/version',
+        method: 'get',
+    })
+}
+
+export function getUpgrade() {
+    return request({
+        url: '/getUpgrade',
+        method: 'get',
+    })
+}