First commit of golang CLI.

wild-cli/cmd/wild/main.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"context"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/wild-cloud/wild-cli/internal/output"
+)
+
+func main() {
+	// Set up context with cancellation for graceful shutdown
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	// Handle interrupt signals gracefully
+	sigChan := make(chan os.Signal, 1)
+	signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
+	go func() {
+		<-sigChan
+		cancel()
+		os.Exit(1)
+	}()
+
+	// Initialize output logger
+	logger := output.NewLogger()
+	defer func() {
+		_ = logger.Sync() // Ignore sync errors on program exit
+	}()
+
+	// Execute root command
+	cmd := newRootCommand()
+	if err := cmd.ExecuteContext(ctx); err != nil {
+		logger.Error("Command execution failed", "error", err)
+		os.Exit(1)
+	}
+}