refactor: introduce strongly-typed DexEvent with EventType enum

fix: correct PumpSwap Pool parsing and add performance optimizations

docs: shorten Examples table descriptions

docs: remove redundant language navigation links

docs: align Examples table format with sol-trade-sdk

docs: update Examples table column name to "Run Command"

docs: add SDK Versions section with multi-language navigation

docs: add SDK language navigation (Rust/Node.js/Python/Go)

docs: add Source Code links to Examples table

docs: remove Benchmarks section from README

docs: 重写 README 对齐 Rust SDK 结构，新增示例文件

Initial commit: Sol Parser SDK for Go