Feat/failover provider

[sontuphan]

Description

Introduce a failover provider mechanism that automatically switches to a backup provider when the primary provider becomes unavailable or fails, improving reliability and resilience of network operations.

Motivation and Context

The system currently relies on a single provider, making it vulnerable to outages and rate limits. This change adds transparent fallback to secondary providers, improving reliability and reducing request failures.

Related Issue

PR fixes the following issue: N/A

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

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[Davi0kProgramsThings]

LGTM.