Create File object

[Shahar-Y]

including:

• [x] file.model
• [x] file.interface
• [x] file.manager
• [x] file.router
• [x] file.spec
  • [x] add file
  • [x] get file
  • [x] delete file
  • [x] get all files
  • [x] update file
  • [x] delete all files

[Shahar-Y]

@AllKinds requesting to close this issue