add makefile as proxy for nix develop commands

Makefile

@@ -0,0 +1,60 @@
+# Makefile for Strudel development
+# This Makefile acts as a proxy for nix develop commands
+
+.PHONY: help install dev build test lint format check clean shell
+
+# Default target
+help:
+	@echo "Strudel Development Makefile"
+	@echo ""
+	@echo "Available targets:"
+	@echo "  help     - Show this help message"
+	@echo "  install  - Install dependencies (pnpm install)"
+	@echo "  dev      - Start development server (pnpm dev)"
+	@echo "  build    - Build the project (pnpm build)"
+	@echo "  test     - Run tests (pnpm test)"
+	@echo "  lint     - Run linter (pnpm lint)"
+	@echo "  format   - Format code (pnpm codeformat)"
+	@echo "  check    - Run all checks (pnpm check)"
+	@echo "  clean    - Clean build artifacts"
+	@echo "  shell    - Enter Nix development shell"
+	@echo ""
+	@echo "All commands run within the Nix development environment."
+
+# Install dependencies
+install:
+	nix develop --command pnpm install
+
+# Start development server
+dev:
+	nix develop --command pnpm dev
+
+# Build the project
+build:
+	nix develop --command pnpm build
+
+# Run tests
+test:
+	nix develop --command pnpm test
+
+# Run linter
+lint:
+	nix develop --command pnpm lint
+
+# Format code
+format:
+	nix develop --command pnpm codeformat
+
+# Run all checks
+check:
+	nix develop --command pnpm check
+
+# Clean build artifacts
+clean:
+	nix develop --command pnpm clean 2>/dev/null || true
+	rm -rf node_modules/.cache 2>/dev/null || true
+	rm -rf dist 2>/dev/null || true
+
+# Enter Nix development shell
+shell:
+	nix develop