Added "Simon Game Challenge" under Mood-Boosting Games #13

	name: Check if PR is up-to-date

	on:
	pull_request:
	branches:
	- main # Trigger on PRs targeting the main branch (change if necessary)

	jobs:
	check-up-to-date:
	runs-on: ubuntu-latest

	steps:
	# Checkout the PR branch
	- name: Checkout PR branch
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	# Fetch the base branch (e.g., main) for comparison
	- name: Fetch base branch
	run: git fetch origin main

	# Compare the PR branch with the base branch
	- name: Check if PR is up-to-date
	run: \|
	# Fetch and compare base and PR branch commits
	BASE_BRANCH="origin/main"
	PR_BRANCH=$(git rev-parse --abbrev-ref HEAD)

	# Check if the PR branch is behind the base branch
	BEHIND=$(git rev-list --count $PR_BRANCH..$BASE_BRANCH)

	if [ "$BEHIND" -ne 0 ]; then
	echo "::error::Your branch is behind the base branch by $BEHIND commit(s). Please pull the latest changes."
	exit 1
	else
	echo "Your branch is up-to-date."
	fi

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