templates: add script to copy and run golang program

templates/README.md

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+# Attack Templates
+
+This directory contains template code that can be used for your attack.
+Feel free to change it however you like, or not use it at all! 
+
+We currently have support for: 
+- [Golang](/golang)
+
+A "copy and run" script is provided for each template, which will: 
+* Copy the code in your working directory into the `flagship` container
+* Update `run.sh` with execution commands (if not already present)
+* Run `./run.sh` inside of the container

templates/copy_and_run_golang.sh

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+#!/bin/bash
+
+echo "Removing old golang code in container"
+kubectl exec -it warnet-armada/flagship -- rm -rf /golang
+
+echo "Copying code in /golang into container"
+kubectl cp golang warnet-armada/flagship:/
+
+if ! kubectl exec -it flagship -n warnet-armada -- bash -c 'cat run.sh | grep -q "go install"'; then
+    echo "Adding instructions to run script"
+    kubectl exec -it flagship -n warnet-armada -- bash -c 'echo "cd /golang" >> /run.sh'
+    kubectl exec -it flagship -n warnet-armada -- bash -c 'echo "go install" >> /run.sh'
+    kubectl exec -it flagship -n warnet-armada -- bash -c 'echo "/root/go/bin/attackathon" >> /run.sh'
+fi
+
+echo "Running script 😈"
+kubectl exec -it flagship -n warnet-armada -- ./run.sh