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

tldr/linux/brctl

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# brctl
+
+> Ethernet bridge administration.
+> More information: <https://manned.org/brctl>.
+
+- Show a list with information about currently existing Ethernet bridges:
+
+`sudo brctl show`
+
+- Create a new Ethernet bridge interface:
+
+`sudo brctl add {{bridge_name}}`
+
+- Delete an existing Ethernet bridge interface:
+
+`sudo brctl del {{bridge_name}}`
+
+- Add an interface to an existing bridge:
+
+`sudo brctl addif {{bridge_name}} {{interface_name}}`
+
+- Remove an interface from an existing bridge:
+
+`sudo brctl delif {{bridge_name}} {{interface_name}}`