docs: add fs-ai programme page, add to INDEX #48

	name: CI

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	link-check:
	name: Markdown link check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Check relative links in Markdown files
	run: \|
	BROKEN=0
	while IFS= read -r -d '' file; do
	dir=$(dirname "$file")
	while IFS= read -r link; do
	path="${link%%#*}"
	[ -z "$path" ] && continue
	target="$dir/$path"
	if [ ! -e "$target" ]; then
	echo "Broken link in $file: $link"
	BROKEN=1
	fi
	done < <(grep -oP '\]\(\K[^)]+' "$file" \| grep -v '^http' \| grep -v '^mailto' \| grep -v '^#' \|\| true)
	done < <(find . -name '*.md' -print0)

	[ "$BROKEN" -ne 0 ] && { echo "Fix broken links."; exit 1; }
	echo "All links OK."

	index-check:
	name: INDEX.md completeness
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Warn about files missing from INDEX.md
	run: \|
	MISSING=0
	while IFS= read -r -d '' f; do
	fname=$(basename "$f")
	if ! grep -qF "$fname" de/INDEX.md 2>/dev/null; then
	echo "Warning: $f not referenced in INDEX.md"
	MISSING=1
	fi
	done < <(find de -name '*.md' ! -name 'INDEX.md' -print0)

	[ "$MISSING" -ne 0 ] && echo "Update INDEX.md to reference all files."
	# Warning only — does not fail the build
	exit 0

	gitignore-check:
	name: .gitignore present
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Check .gitignore exists
	run: \|
	[ -f .gitignore ] \|\| { echo "ERROR: .gitignore missing"; exit 1; }
	echo ".gitignore present."

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