feat: run polygon edge from topos cli

[atanmarko]

Description

Add additional topos cli command subnet run which runs Polygon Edge node as a subprocess

Fixes TP-408

Additions and Changes

Polygon Edge sub-process inherits standard input and output from topos cli process. When executed, to shut it down press ctrl+C

Run Polygon Edge

Usage: topos subnet run [OPTIONS] [POLYGON_EDGE_ARGUMENTS]...

Arguments:
  [POLYGON_EDGE_ARGUMENTS]...  Command line to start child process

Options:
      --path <PATH>  Installation directory path for Polygon Edge binary. If not provided, Polygon Edge binary will be expected in the current directory [env: TOPOS_SUBNET_PATH=] [default: .]
  -v, --verbose...   Defines the verbosity level
  -h, --help         Print help

For example to print Polygon Edge options, execute:

topos subnet run -- --help

PR Checklist:

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added or updated tests that comprehensively prove my change is effective or that my feature works

[gruberb]

LGTM 👍

I left a comment about missing doc-comments. It might seem nit-picky, so just wanted to check how strict we are about it!

[atanmarko]

LGTM +1

I left a comment about missing doc-comments. It might seem nit-picky, so just wanted to check how strict we are about it!

Maybe we lost a discipline a bit as we as a team are working on a same codebase for long so every note/suggestion is welcome.