feat(tools): cleanup scripts and Makefile

tools/get_version.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# get_version.sh - Extract version from PostgreSQL extension control file
+# Usage: ./get_version.sh [control_file]
+
+set -e  # Exit immediately if a command exits with a non-zero status
+
+CONTROL_FILE="${1:-pg_morbac.control}"
+
+if [ ! -f "$CONTROL_FILE" ]; then
+    echo "Error: control file not found: $CONTROL_FILE" >&2
+    exit 1
+fi
+
+VERSION=$(grep "default_version" "$CONTROL_FILE" | sed "s/default_version = '\(.*\)'/\1/")
+
+if [ -z "$VERSION" ]; then
+    echo "Error: could not extract version from $CONTROL_FILE" >&2
+    exit 1
+fi
+
+echo "$VERSION"