Update cheatsheets

omf

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# omf
+
+> Oh My Fish, the Fishshell Framework.
+> Install packages to extend and modify the fish shell.
+> More information: <https://github.com/oh-my-fish/oh-my-fish>.
+
+- Install one or more packages:
+
+`omf install {{name}}`
+
+- List installed packages:
+
+`omf list`
+
+- List available themes:
+
+`omf theme`
+
+- Apply a theme:
+
+`omf theme {{name}}`
+
+- Remove a theme or package:
+
+`omf remove {{name}}`
+
+- Uninstall Oh My Fish:
+
+`omf destroy`