user friendly alert message
update item model validation
remove trash
update gitignore file
Merge branch 'feature/model-validation' into develop

* feature/model-validation:
  update gitignore file
  remove trash
  update item model validation
  user friendly alert message
authorizaion implementation
Merge branch 'release/v.1.0'

* release/v.1.0:
  authorizaion implementation
  update gitignore file
  remove trash
  update item model validation
  user friendly alert message