feat: setup dataset enrichment app codebase and scripts

scripts/restart_app.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+set -e
+
+REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$REPO_DIR"
+
+echo "🔄 Restarting app services..."
+
+# Kill running uvicorn and vite processes
+pkill -f "uvicorn backend.main:app" || true
+pkill -f "vite" || true
+sleep 1
+
+export PATH="$HOME/.local/bin:$PATH"
+
+# Run backend
+nohup uv run uvicorn backend.main:app --host 0.0.0.0 --port 8000 > "$REPO_DIR/data/backend.log" 2>&1 &
+
+# Run frontend
+cd "$REPO_DIR/frontend"
+nohup npm run dev > "$REPO_DIR/data/frontend.log" 2>&1 &
+
+echo "✅ Services restarted."