Improve CHANGELOG.md format and update README.md introduction #3

	name: Update From Submodule

	on:
	pull_request_target:
	types: [opened, synchronize]
	branches:
	- main

	permissions:
	contents: write

	jobs:
	update-files:
	if: github.actor == 'dependabot[bot]' && startsWith(github.event.pull_request.head.ref, 'dependabot/submodules/')
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	# Checkout the repository at the merge commit
	ref: ${{ github.event.pull_request.head.sha }}
	submodules: true

	- name: Validate PR source branch
	run: \|
	if [[ ${{ github.event.pull_request.head.repo.full_name }} != '${{ github.repository }}' ]]; then
	echo "Untrusted repository detected! Exiting.";
	exit 1;
	fi

	- name: Import GPG key
	uses: crazy-max/ghaction-import-gpg@v6
	with:
	gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
	passphrase: ${{ secrets.GPG_PASSPHRASE }}
	git_user_signingkey: true
	git_commit_gpgsign: true
	fingerprint: "F768450FB05B817D0B4BC26FB9B6A9B428C8676A"
	trust_level: 5

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.x'

	- name: Run update script
	run: python update_repo.py

	- name: Commit and push changes
	run: \|
	git add .
	git commit -m "Update files based on submodule changes"
	git pull --rebase origin ${{ github.event.pull_request.head.ref }}
	git push origin HEAD:${{ github.event.pull_request.head.ref }}

Provide feedback