Initial release: Go Jdenticon library v0.1.0

- Core library with SVG and PNG generation
- CLI tool with generate and batch commands
- Cross-platform path handling for Windows compatibility
- Comprehensive test suite with integration tests

cmd/jdenticon/version.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Print version information",
+	Long:  "Print the version, build commit, and build date information for jdenticon CLI",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Print(getVersionString())
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+}