[Task ⚗] User custom commands

[HueByte]

Description

Create a functionality, that will allow user to define own commands simply with JSON.

The commands should be one of the Base Jiro commands

Example:

[
    {
        "CommandSyntax": "ls",
        "CommandName": "ls",
        "Description": "List files in current directory",
        "Example": "$cmd ls"
    },
    {
        "CommandSyntax": "drun <project>",
        "CommandName": "Dotnet project runner",
        "Description": "Runs dotnet project",
        "Example": "$cmd drun myproject.csproj"
    }
]

Goals

• Create $cmd command
• Create service that will properly manage the user defined commands
• Add additional security checks for User created commands
• Make them accessible via $help command