feat: display the version and backend service status on the page (#848)

### What problem does this PR solve?

#643 feat: display the version and backend service status on the page

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/utils/api.ts

@@ -77,4 +77,8 @@ export default {
   createFolder: `${api_host}/file/create`,
   connectFileToKnowledge: `${api_host}/file2document/convert`,
   getFile: `${api_host}/file/get`,
+
+  // system
+  getSystemVersion: `${api_host}/system/version`,
+  getSystemStatus: `${api_host}/system/status`,
 };

web/src/utils/commonUtil.ts

@@ -65,3 +65,10 @@ export const filterOptionsByInput = (
   input: string,
   option: { label: string; value: string } | undefined,
 ) => (option?.label ?? '').toLowerCase().includes(input.toLowerCase());
+
+export const toFixed = (value: unknown, fixed = 2) => {
+  if (typeof value === 'number') {
+    return value.toFixed(fixed);
+  }
+  return value;
+};

web/src/utils/registerServer.ts

@@ -9,7 +9,7 @@ const registerServer = <T extends string>(
 ) => {
   const server: Service<T> = {} as Service<T>;
   for (let key in opt) {
-    server[key] = (params: any, urlAppendix?: string) => {
+    server[key] = (params?: any, urlAppendix?: string) => {
       let url = opt[key].url;
       const requestOptions = opt[key];
       if (urlAppendix) {