Update cheatsheets

fastfetch

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# fastfetch
+
+> Display information about your operating system, software and hardware.
+> More information: <https://github.com/LinusDierheimer/fastfetch>.
+
+- Display system information:
+
+`fastfetch`
+
+- Fetch a specific structure:
+
+`fastfetch --structure {{structure}}`
+
+- Load a custom configuration file:
+
+`fastfetch --load-config {{path/to/config_file}}`
+
+- Use a specific logo:
+
+`fastfetch --logo {{logo}}`
+
+- Use a specific color for the keys and title:
+
+`fastfetch --color {{blue}}`