refactor: modularize dotfiles with shared libraries and new features #1

	name: Shellcheck

	on:
	push:
	branches: [main]
	paths:
	- '**.sh'
	- '.github/workflows/shellcheck.yml'
	pull_request:
	branches: [main]
	paths:
	- '**.sh'
	- '.github/workflows/shellcheck.yml'

	jobs:
	shellcheck:
	name: Shellcheck
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Install shellcheck
	run: \|
	sudo apt-get update
	sudo apt-get install -y shellcheck

	- name: Run shellcheck on all shell scripts
	run: \|
	echo "Finding shell scripts..."
	find . -name "*.sh" -type f \| head -20

	echo ""
	echo "Running shellcheck..."
	find . -name "*.sh" -type f -print0 \| \
	xargs -0 shellcheck --severity=warning --shell=bash \
	-e SC1090 \
	-e SC1091 \
	-e SC2034

	- name: Verify bash syntax
	run: \|
	echo "Checking bash syntax..."
	errors=0
	while IFS= read -r -d '' file; do
	if ! bash -n "$file" 2>&1; then
	echo "Syntax error in: $file"
	errors=$((errors + 1))
	fi
	done < <(find . -name "*.sh" -type f -print0)

	if [ $errors -gt 0 ]; then
	echo "Found $errors files with syntax errors"
	exit 1
	fi

	echo "All shell scripts have valid syntax"

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