chore: add support for a Makefile (scaleway#2787)

Author: yfodil

Makefile

@@ -0,0 +1,65 @@
+GOOS ?=
+GOARCH ?=
+
+GOCMD := go
+GOCLEAN := $(GOCMD) clean
+GOTEST := $(GOCMD) test
+
+PKGS := ./...
+GOFLAGS ?=
+TESTFLAGS ?= -race
+LDFLAGS ?= -s -w
+
+GOLANGCI_LINT_VER := latest
+
+RED := \033[0;31m
+GREEN := \033[0;32m
+YELLOW := \033[0;33m
+BLUE := \033[0;34m
+NC := \033[0m
+
+.DEFAULT_GOAL := help
+
+.PHONY: help clean lint lint-fix test check-tokens check version install-tools
+
+help: ## Show available commands
+	@echo "$(BLUE)Scaleway Go SDK - Available Commands$(NC)\n"
+	@grep -E '^[a-zA-Z0-9_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort \
+	| awk 'BEGIN {FS = ":.*?## "}; {printf "  $(GREEN)%-22s$(NC) %s\n", $$1, $$2}'
+	@echo ""
+
+clean: ## Clean build artifacts
+	@echo "$(BLUE)Cleaning...$(NC)"
+	$(GOCLEAN)
+
+lint: ## Run linters
+	@echo "$(BLUE)Linting...$(NC)"
+	@./scripts/lint.sh
+
+lint-fix: ## Run linters with auto-fix
+	@echo "$(BLUE)Linting with fix...$(NC)"
+	@./scripts/lint.sh --write
+
+test: ## Run tests with race detector
+	@echo "$(BLUE)Testing...$(NC)"
+	$(GOTEST) $(GOFLAGS) $(TESTFLAGS) $(PKGS)
+
+check-tokens: ## Check for exposed tokens
+	@echo "$(BLUE)Checking for exposed tokens...$(NC)"
+	@./scripts/check_for_tokens.sh
+
+check: check-tokens lint test ## Run full local checks
+	@echo "$(GREEN)All checks passed!$(NC)"
+
+version: ## Show tool versions
+	@echo "$(BLUE)Version Information:$(NC)"
+	@echo "Go version: $$($(GOCMD) version)"
+	@echo "Go modules: $$($(GOCMD) env GOMOD)"
+	@if command -v golangci-lint >/dev/null 2>&1; then \
+		echo "golangci-lint: $$(golangci-lint version)"; \
+	fi
+
+install-tools: ## Install dev tools
+	@echo "$(BLUE)Installing tools...$(NC)"
+	@echo "$(YELLOW)Installing golangci-lint $(GOLANGCI_LINT_VER)$(NC)"
+	@$(GOCMD) install github.com/golangci/golangci-lint/cmd/golangci-lint@$(GOLANGCI_LINT_VER)