chore: pre-commit ci hook, dart format

scripts/setup_hooks.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+set -euo pipefail
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT"
+
+chmod +x .githooks/pre-commit scripts/ci_checks.sh
+git config core.hooksPath .githooks
+
+cat <<EOF
+Git hooks installed.
+  pre-commit  runs the CI analyze pipeline (format + analyze + unused code + unused files)
+
+Bypass once:  git commit --no-verify
+Bypass env:   SKIP_HOOKS=1 git commit ...
+Run manually: ./scripts/ci_checks.sh
+Uninstall:    git config --unset core.hooksPath
+EOF