Added Lock PC prank payload (#282)

payloads/library/prank/lockpc/README.md

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+## Lock PC Prank
+
+* Author: Frater V:I:
+* Version: Version 1.0
+* Target: Linux, Windows, OSX
+
+## Description
+A variation of the Notepad fun payload written by The10FpsGuy and Mrhut10
+
+## Configuration
+
+None
+
+## Status
+LED SETUP - detecting OS using get.sh extension
+
+LED ATTACK - launching the payload based on OS detected
+
+LED FAIL3 - No OS detected
+
+LED FINISH - system should be locked and payload is done
+
+## Discussion

payloads/library/prank/lockpc/payload.txt

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+#
+#
+# Title:             PC Lock Fun
+# Original Authors:            The10FpsGuy and Mrhut10
+#                    Big thanks to Mrhut10 for helping to put a loop in it :D
+# Modified:	     FraterVI
+# Category:          Fun
+# Target:.           Windows, Linux, Mac
+# Description:	     Takes original prank payload and adds OS detection so
+#		     it can be run on any(mostly any) OS.
+#
+#options
+LED SETUP
+TARGET_OS="UNKNOWN"
+ATTACKMODE RNDIS_ETHERNET
+sleep 3
+GET TARGET_IP
+	if [ -z "${TARGET_IP}" ]; then
+		echo "No Target IP" > /dev/null
+		ATTACKMODE ECM_ETHERNET
+		sleep 3
+		GET TARGET_IP
+		if [ -z "${TARGET_IP}" ]; then
+			LED FAIL3
+			exit 1
+		fi
+	fi
+
+GET TARGET_OS
+msg_header="begining"
+msg_body="I will learn to lock my computer"
+msg_body_repeats=50
+msg_end="Please remember to lock your computer when you walk away."
+
+LED ATTACK
+Q DELAY 500
+case "$TARGET_OS" in
+	"LINUX") ATTACKMODE HID
+		RUN UNITY gedit
+		;;
+	"MACOS") ATTACKMODE HID VID_0x05AC PID_0x021E
+		RUN OSX terminal
+		;;
+	"WINDOWS") ATTACKMODE HID
+		RUN WIN notepad.exe
+		;;
+	"UNKNOWN") LED FAIL3
+		exit 1
+		;;
+esac
+Q DELAY 1000		
+Q STRING $msg_header
+Q ENTER
+
+for (( i=1; i<=$msg_body_repeats; i++ ))
+do
+   Q STRING $msg_body
+   Q ENTER
+done
+Q STRING $msg_end
+Q ENTER
+case "$TARGET_OS" in
+	"LINUX") Q GUI l
+		;;
+	"MACOS") Q STRING "/System/Library/CoreServices/Menu\ Extras/User.menu/Contents/Resources/CGSession -suspend"
+		Q ENTER
+		;;
+	"WINDOWS") Q GUI l
+		;;
+	"UNKNOWN") LED FAIL3
+		exit 1
+		;;
+esac
+
+LED FINISH