message: docs: fix syntax of markdown links
diff: ## Introduction
  -Chevrotain is a [**blazing fast**][https://chevrotain.io/performance/] and [**feature rich**](http://chevrotain.io/docs/features/blazing_fast.html) **Parser Building Toolkit** for **JavaScript**.
  +Chevrotain is a [**blazing fast**](https://chevrotain.io/performance/) and [**feature rich**](http://chevrotain.io/docs/features/blazing_fast.html) **Parser Building Toolkit** for **JavaScript**.
  It can be used to build parsers/compilers/interpreters for various use cases ranging from simple configuration files,
  to full-fledged programing languages.
  @@ -22,7 +22,7 @@ as any other pure code without requiring any new tools or processes.
  - [**Online Playground**](https://chevrotain.io/playground/)
  - **[Getting Started Tutorial](https://chevrotain.io/docs/tutorial/step0_introduction.html)**
  -- [**Performance benchmark**][https://chevrotain.io/performance/]
  +- [**Performance benchmark**](https://chevrotain.io/performance/)
  ## Installation
  