Update cheatsheets

tailscale

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# tailscale
+
+> A private WireGuard network service.
+> Some subcommands such as `tailscale up` have their own usage documentation.
+> More information: <https://tailscale.com>.
+
+- Connect to Tailscale:
+
+`sudo tailscale up`
+
+- Disconnect from Tailscale:
+
+`sudo tailscale down`
+
+- Display the current Tailscale IP addresses:
+
+`tailscale ip`
+
+- Ping a peer node at the Tailscale layer and display which route it took for each response:
+
+`tailscale ping {{ip|hostname}}`
+
+- Analyze the local network conditions and display the result:
+
+`tailscale netcheck`
+
+- Start a web server for controlling Tailscale:
+
+`tailscale web`
+
+- Display a shareable identifier to help diagnose issues:
+
+`tailscale bugreport`
+
+- Display help for a subcommand:
+
+`tailscale {{subcommand}} --help`