Update cheatsheets

tldr

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# tldr
+
+> Display simple help pages for command-line tools from the tldr-pages project.
+> Note: the `--language` and `--list` options are not required by the client specification, but most clients implement them.
+> More information: <https://github.com/tldr-pages/tldr/blob/main/CLIENT-SPECIFICATION.md#command-line-interface>.
+
+- Print the tldr page for a specific command (hint: this is how you got here!):
+
+`tldr {{command}}`
+
+- Print the tldr page for a specific subcommand:
+
+`tldr {{command}} {{subcommand}}`
+
+- Print the tldr page for a command in the given [L]anguage (if available, otherwise fall back to English):
+
+`tldr --language {{language_code}} {{command}}`
+
+- Print the tldr page for a command from a specific [p]latform:
+
+`tldr --platform {{android|common|freebsd|linux|osx|netbsd|openbsd|sunos|windows}} {{command}}`
+
+- [u]pdate the local cache of tldr pages:
+
+`tldr --update`
+
+- List all pages for the current platform and `common`:
+
+`tldr --list`