CHG: readme

README.md

@@ -4,16 +4,16 @@
 
 - [x] Simple file server
 - [x] Serve static files
-- [ ] Search files
-- [ ] Preview files
+- [x] Search files
+- [x] Preview files
 - [ ] Plugin system
 - [ ] Support for multiple languages
 - [ ] Support for multiple themes
 - [ ] Upload files
-- [ ] Authentication
-- [ ] Sort files
-- [ ] Download files
-- [ ] DESCRIPTION.md for index
+- [x] Authentication
+- [x] Sort files
+- [x] Download files
+- [x] SUMMARY.md for index
 
 ### Usage