#### SUMMARY
This feature would implement a UpdateUserName command for the Accounts category of redfish_command, to update user name. And also implement a UpdatePasswordPolicy command for the Accounts category of redfish_command to change password policy.

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
redfish_command

##### ADDITIONAL INFORMATION
These 2 commands would help user to update user name or update password policy

baseuri:
    required: true
    description:
      - Base URI of OOB controller
    type: str
  username:
    required: true
    description:
      - Username for authentication with OOB controller
    type: str
    version_added: "2.8"
  password:
    required: true
    description:
      - Password for authentication with OOB controller
    type: str
  id:
    required: false
    aliases: [ account_id ]
    description:
      - ID of account to delete/modify
    type: str
    version_added: "2.8"
  new_username:
    required: false
    aliases: [ account_username ]
    description:
      - Username of account to add/delete/modify
    type: str
    version_added: "2.8"