Update cheatsheets

tldr/linux/protonvpn-connect

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# protonvpn connect
+
+> Connect to ProtonVPN.
+> More information: <https://github.com/Rafficer/linux-cli-community>.
+
+- Connect to ProtonVPN interactively:
+
+`protonvpn {{c|connect}}`
+
+- Connect to ProtonVPN using the fastest server available:
+
+`protonvpn {{c|connect}} {{-f|--fastest}}`
+
+- Connect to ProtonVPN using a specific server with a specific protocol:
+
+`protonvpn {{c|connect}} {{server_name}} -p {{udp|tcp}}`
+
+- Connect to ProtonVPN using a random server with a specific protocol:
+
+`protonvpn {{c|connect}} {{-r|--random}} -p {{udp|tcp}}`
+
+- Connect to ProtonVPN using the fastest Tor-supporting server:
+
+`protonvpn {{c|connect}} --tor`
+
+- Display help:
+
+`protonvpn connect --help`