Added #

• Initial release of the Via HTTP engine.
• Via class for high-level HTTP operations.
• ViaExecutor with support for ViaPipeline architecture.
• Built-in resilience with ViaRetry (automatic retries).
• Request cancellation support via CancelToken.
• Type-safe JSON parsing helpers (asMap, asList).
• Memory-managed ViaCachePipeline (FIFO with maxEntries).
• Advanced pipelines: ViaLoggerPipeline (with cURL support), ViaDebouncePipeline, ViaThrottlePipeline, and ViaResponseValidatorPipeline.
• Connection pooling support with shared http.Client.
• Isolate-based execution support for background processing.
• errorIf validation in ViaExecutor to treat HTTP responses as errors (defaults to non-2xx).