Do you want to upload your data from within Aras or do you want to work from your computer? Shall the upload feature be available just for you or do you need something for end users?
If you just need something very basic to upload and link your data fast, you could modify this project:
https://github.com/AngelaIp/aras-image-uploader-for-tech-docs
But there are also other options available: This one is a quite nice applications for Windows:
https://github.com/ArasLabs/aras-send-to
https://github.com/ArasLabs/web-svc-batch-loader
