Add Makefile for deploy, migration, and dev commands

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Makefile

@@ -0,0 +1,34 @@
+.PHONY: deploy build up down restart logs migrate migrate-new frontend
+
+# Build and deploy
+deploy: build up
+
+build:
+	docker compose build raggr
+
+up:
+	docker compose up -d
+
+down:
+	docker compose down
+
+restart:
+	docker compose restart raggr
+
+logs:
+	docker compose logs -f raggr
+
+# Database migrations
+migrate:
+	docker compose exec raggr aerich upgrade
+
+migrate-new:
+	@read -p "Migration name: " name; \
+	docker compose exec raggr aerich migrate --name $$name
+
+migrate-history:
+	docker compose exec raggr aerich history
+
+# Frontend
+frontend:
+	cd raggr-frontend && yarn install && yarn build