feat: create folder #345 (#518)

### What problem does this PR solve?

feat: create folder
feat: ensure that all files in the current folder can be correctly
requested after renaming the folder
#345 

### Type of change

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

web/src/utils/api.ts

@@ -73,4 +73,5 @@ export default {
   removeFile: `${api_host}/file/rm`,
   renameFile: `${api_host}/file/rename`,
   getAllParentFolder: `${api_host}/file/all_parent_folder`,
+  createFolder: `${api_host}/file/create`,
 };