feat: initial commit of Git Automation CLI

- Add comprehensive Git workflow automation tools
- Include branch management utilities
- Add commit helpers with conventional commit support
- Implement GitHub integration for PR management
- Add configuration management system
- Include comprehensive test coverage
- Add professional documentation and examples

internal/cmd/root.go

@@ -0,0 +1,60 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"github.com/spf13/cobra"
+	"github.com/iwasforcedtobehere/git-automation-cli/internal/version"
+	"github.com/iwasforcedtobehere/git-automation-cli/internal/config"
+)
+
+var (
+	verbose bool
+	dryRun bool
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "gitauto",
+	Short: "Git automation toolkit",
+	Long: `Git Automation CLI is a fast, practical tool to automate frequent Git workflows.
+It provides utilities for branch management, commit helpers, sync operations,
+and integration with GitHub for pull requests and team coordination.`,
+	PersistentPreRun: func(cmd *cobra.Command, args []string) {
+		// Initialize configuration
+		if err := config.Init(); err != nil {
+			fmt.Fprintf(os.Stderr, "Error initializing configuration: %v\n", err)
+			os.Exit(1)
+		}
+		
+		// Override config with command line flags
+		if verbose {
+			config.Set("verbose", true)
+		}
+		if dryRun {
+			config.Set("dry_run", true)
+		}
+	},
+}
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Print the version information",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println("gitauto version", version.GetVersion())
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+	
+	// Add global flags
+	rootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "verbose output")
+	rootCmd.PersistentFlags().BoolVar(&dryRun, "dry-run", false, "dry run mode (no changes made)")
+}
+
+func Execute() {
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+}