feat: improve analytics option usage

[felangel]

Description

• feat: improve analytics option usage (closes Exception is thrown when the analytics option was opted out #80)

Updated Usage

🦄 A Very Good Command Line Interface

Usage: very_good <command> [arguments]

Global options:
-h, --help           Print this usage information.
    --version        Print the current version.
    --analytics      Toggle anonymous usage statistics.

          [false]    Disable anonymous usage statistics
          [true]     Enable anonymous usage statistics

Available commands:
  create   Creates a new very good flutter application in seconds.

Run "very_good help <command>" for more information about a command.

Running very_good --analytics will return a less noisy error:

$ very_good --analytics

Missing argument for "analytics".

🦄 A Very Good Command Line Interface

Usage: very_good <command> [arguments]

Global options:
-h, --help           Print this usage information.
    --version        Print the current version.
    --analytics      Toggle anonymous usage statistics.

          [false]    Disable anonymous usage statistics
          [true]     Enable anonymous usage statistics

Available commands:
  create   Creates a new very good flutter application in seconds.

Run "very_good help <command>" for more information about a command.

Type of Change

• ✨ New feature (non-breaking change which adds functionality)
• 🛠️ Bug fix (non-breaking change which fixes an issue)
• ❌ Breaking change (fix or feature that would cause existing functionality to change)
• 🧹 Code refactor
• ✅ Build configuration change
• 📝 Documentation
• 🗑️ Chore