Create a form or button for importing basic API configuration (API Umbrella)

[bajiat]

As Harri (API administrator), I want to import API configurations to Apinf

Definition of done

• Create basic template for API configuration upload.
• Add Bootstrap button to API configuration upload template.
• Create file system collection to store API configuration files.
• Create template logic e.g. helper and event to upload file, when button is clicked.