chore: fix formatting of Mermaid Js entry in README

Author: drbarzaga

README.md

@@ -223,7 +223,7 @@ pnpm add -g react-frontend-toolkit-cli
 - **[React Flow](https://reactflow.dev/)**: A customizable React component for building node-based editors and interactive diagrams.
 - **[Apache ECharts](https://echarts.apache.org/)**: Apache ECharts is a powerful, interactive charting and data visualization library for browser.
 - **[Unovis](https://unovis.dev/)**: A modular data visualization framework for React, Angular, Svelte, Vue, Solid.
-- **[Mermaid Js](https://mermaid.js.org/) **: JavaScript based diagramming and charting tool that renders Markdown-inspired text definitions to create and modify diagrams dynamically.
+- **[Mermaid Js](https://mermaid.js.org/)**: JavaScript based diagramming and charting tool that renders Markdown-inspired text definitions to create and modify diagrams dynamically.
 
 ### Virtualization