Update Surfer Source Code link

README.md

@@ -821,7 +821,7 @@ _See https://github.com/awesome-foss/awesome-sysadmin#distributed-filesystems_
 - [IFM](https://github.com/misterunknown/ifm) - Single script file manager. `MIT` `PHP`
 - [ResourceSpace](https://www.resourcespace.com) - ResourceSpace open source digital asset management software is the simple, fast, and free way to organise your digital assets. ([Demo](https://www.resourcespace.com/trial), [Source Code](https://www.resourcespace.com/svn)) `Other` `PHP`
 - [s3server](https://github.com/jessfraz/s3server) - Simple HTTP interface to index and browse files in a public S3 or Google Cloud Storage bucket. `MIT` `Go`
-- [Surfer](https://github.com/nebulade/surfer) - Simple static file server with webui to manage files. `MIT` `Nodejs`
+- [Surfer](https://git.cloudron.io/cloudron/surfer) - Simple static file server with webui to manage files. `MIT` `Nodejs`
 - [TagSpaces](https://www.tagspaces.org/) - TagSpaces is an offline, cross-platform file manager and organiser that also can function as a note taking app. The WebDAV version of the application can be installed on top of a WebDAV servers such as Nextcloud or ownCloud. ([Demo](http://demo.tagspaces.org), [Source Code](https://github.com/tagspaces/tagspaces)) `AGPL-3.0` `Javascript`
 
 ## Games