GRM-25: feat: auto-delete branch after merge in configure_repo script

scripts/setup.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -e
+
+BIN="${1:-.venv/bin}"
+
+"$BIN/pip" install -e ".[dev]"
+"$BIN/ansible-galaxy" collection install -r ansible/requirements.yml
+"$BIN/pre-commit" install
+"$BIN/pre-commit" install --hook-type commit-msg
+"$BIN/pre-commit" install --hook-type pre-push
+
+echo ""
+echo "Setup complete."
+echo "Activate the virtual environment with one of:"
+echo "  source .venv/bin/activate    (generic)"
+echo "  source activate.sh           (bash)"
+echo "  source activate.fish         (fish)"
+echo "  source activate.zsh          (zsh)"
+
+# Verification
+"$BIN/grm" --version 2>/dev/null || true
+"$BIN/pre-commit" --version 2>/dev/null || true