chore: add rendering engines doc including latex (#35)

content/2.how-to guides/manage-rendering-engines.md

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+---
+title: Manage Rendering Engines
+description: Learn how to manage rendering engines to optimize your experience
+navTruncate: false
+---
+
+Msty provides a built-in rendering engine for rendering various formats that are commonly provided in AI responses.
+
+You can manage rendering engines from **Settings > General > Enable New Rendering Engine**. Click the dropdown and select / unselect available options to manage which rendering engines are enabled.
+
+If you enable or disable any of the renderings, you will then need to restart Msty for the changes to take effect.
+
+Msty currently supports the following rendering engines:
+
+#### Markdown
+
+Markdown is a lightweight markup language that allows you to format text using simple symbols and characters. As LLMs often return Markdown formatted text, Msty renders this text in a more readable format.
+
+#### Mermaid Diagrams (disabled by default)
+
+Mermaid diagrams are a lightweight, open-source diagramming tool for flowcharts, sequence diagrams, class diagrams, and Gantt charts in Markdown text.
+
+#### Math LaTex (disabled by default)
+
+Math LaTeX (or just LaTeX) is a typesetting system designed specifically for mathematical and scientific documents.
+
+#### Github Flavored Markdown
+
+GitHub Flavored Markdown (GFM) is a superset of standard Markdown that adds some extra features and syntax specifically designed for GitHub.
+
+#### Code Highlighting
+
+Code highlighting (also known as syntax highlighting) automatically colors the text of source code to distinguish between different programming elements such as keywords, functions, strings, comments, and operators.
+
+#### Collapsing Tags
+
+Collapsing tags (also known as collapsible tags) provides expandable and collapsible sections of code, typically used for hiding detailed information while keeping the overview visible.