allow custom validator ip and validator, vc, ls ports

[yungwine]

No description provided.

[Copilot]

Pull Request Overview

This PR allows custom configuration of validator IP address and validator-related ports through environment variables. It enables users to override default random port assignments and automatic IP detection by setting environment variables.

• Allow custom validator IP via PUBLIC_IP environment variable
• Enable custom port configuration for validator console, liteserver, and validator ports
• Replace hardcoded random port generation with configurable environment variables

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
mytoninstaller/settings.py	Adds PUBLIC_IP environment variable support for custom IP and uses vport from buffer
mytoninstaller/mytoninstaller.py	Adds environment variable configuration for validator console, liteserver, and validator ports

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