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

tldr/l2ping

@@ -0,0 +1,37 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# l2ping
+
+> Send an L2CAP echo request and receive an answer.
+> More information: <https://manned.org/l2ping>.
+
+- Ping a Bluetooth device:
+
+`sudo l2ping {{mac_address}}`
+
+- Reverse ping a Bluetooth device:
+
+`sudo l2ping -r {{mac_address}}`
+
+- Ping a Bluetooth device from a specified interface:
+
+`sudo l2ping -i {{hci0}} {{mac_address}}`
+
+- Ping Bluetooth device with a specified sized data package:
+
+`sudo l2ping -s {{byte_count}} {{mac_address}}`
+
+- Ping flood a Bluetooth device:
+
+`sudo l2ping -f {{mac_address}}`
+
+- Ping a Bluetooth device a specified amount of times:
+
+`sudo l2ping -c {{amount}} {{mac_address}}`
+
+- Ping a Bluetooth device with a specified delay between requests:
+
+`sudo l2ping -d {{seconds}} {{mac_address}}`