Implement SHUTDOWN command

[kelvinmwinuka]

The SHUTDOWN command shuts the server down synchronously.
Reference: https://redis.io/docs/latest/commands/shutdown/

Client-Server Spec:

Command File: ./internal/modules/admin/commands.go
Test File: ./internal/modules/admin/commands_test.go

Command: shutdown
Module: constants.AdminModule
Categories: contants.AdminCategory, constants.SlowCategory, constants.DangerousCategory
Description: (SHUTDOWN [NOSAVE | SAVE] [NOW] [FORCE] [ABORT]) synchronously shutdown the server
Sync: false

Embedded Spec:

Command File: ./echovault/api_admin.go
Test File: ./echovault/api_admin_test.go

Documentation

Add documentation to ./docs/docs/commands/admin/shutdown.mdx

[zenc0derr]

Hi @kelvinmwinuka , I would like to work on this issue.

[kelvinmwinuka]

Hey @zenc0derr this issue is available. Feel free to take it up :)