message: Fixed broken discord link [skip ci]
diff: <!-- markdownlint-enable no-inline-html -->
  -[Demos][demo-url] | [Documentation](https://tradingview.github.io/lightweight-charts/) | [Discord community](https://discord.gg/E6UthXZ)
  +[Demos][demo-url] | [Documentation](https://tradingview.github.io/lightweight-charts/) | [Discord community](https://discord.gg/UC7cGkvn4U)
  TradingView Lightweight Charts are one of the smallest and fastest financial HTML5 charts.
  