Attach sample location data, include IP location in outputs, and add new providers

[ehsanking]

Motivation

• Improve sampling accuracy by prioritizing location-aware test targets and surfacing IP location metadata in reports to help identify best paths.
• Extend provider catalog and testing priority to include common European/US VPS providers for broader connectivity insights.
• Make CLI and exported CSV/text outputs more informative by showing city/country where available.

Description

• Added buildSampleTargets and changed testProviderConnectivity to use location-aware sample targets and attach location to connectivity results when available.
• Enhanced convertToCsv and CLI printing in cli.js to include a Best IP Location column and conditionally print city/country for the best connection.
• Added country and testLocations metadata to multiple provider groups and introduced new provider entries (hetzner_falkenstein_cx22, ovh_gravelines_starter, scaleway_paris_dev1s, vultr_fremont_regular, digitalocean_fra1_basic) in ip_ranges.js.
• Updated default provider priority order in config_manager.js to include the new provider keys and adjusted printProviders to display country labels.

Testing

• Ran unit test suite with npm test against connectivity sampling and CSV export logic and all tests passed.
• Ran linter with npm run lint to validate formatting and no lint errors remained.
• Executed the CLI analyze flow in an automated smoke test to ensure --detailed output and CSV export include the new location column and the test passed.

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Codex Task

[chatgpt-codex-connector]

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