Move pages under tldr, lint run.sh, update docs

tldr/mullvad

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# mullvad
+
+> CLI client for Mullvad VPN.
+> More information: <https://mullvad.net/>.
+
+- Link your mullvad account with the specified account number:
+
+`mullvad account set {{account_number}}`
+
+- Enable LAN access while VPN is on:
+
+`mullvad lan set allow`
+
+- Establish the VPN tunnel:
+
+`mullvad connect`
+
+- Check status of VPN tunnel:
+
+`mullvad status`