📜 feat: Add setup script for venv creation

* Introduced  to automate the creation of a Python virtual environment.
* The script checks for the existence of a specified requirements file, removes any existing virtual environment, and installs dependencies from the requirements file.
* Provides instructions for activating the virtual environment after setup.

Author: danny-avila

setup_venv.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+VENV_DIR="$SCRIPT_DIR/venv"
+REQ_FILE="${1:-requirements.lite.txt}"
+
+if [[ ! -f "$SCRIPT_DIR/$REQ_FILE" ]]; then
+  echo "Error: $SCRIPT_DIR/$REQ_FILE not found"
+  exit 1
+fi
+
+echo "==> Removing old venv (if any)..."
+rm -rf "$VENV_DIR"
+
+echo "==> Creating fresh venv..."
+python3 -m venv "$VENV_DIR"
+
+echo "==> Upgrading pip..."
+"$VENV_DIR/bin/pip" install --upgrade pip --quiet
+
+echo "==> Installing from $REQ_FILE..."
+"$VENV_DIR/bin/pip" install -r "$SCRIPT_DIR/$REQ_FILE"
+
+echo ""
+echo "Done! Activate with:"
+echo "  source $VENV_DIR/bin/activate"