📝 docs: add comprehensive version management and CLI documentation

cmd/server/main.go

@@ -1,7 +1,7 @@
 // Package main provides the DanceLessonsCoach server entry point
 //
 // @title DanceLessonsCoach API
-// @version 1.0
+// @version 1.1.1
 // @description API for DanceLessonsCoach service providing greeting functionality
 // @termsOfService http://swagger.io/terms/
 
@@ -20,14 +20,23 @@ package main
 
 import (
 	"context"
+	"fmt"
+	"os"
 
 	"DanceLessonsCoach/pkg/config"
 	"DanceLessonsCoach/pkg/server"
+	"DanceLessonsCoach/pkg/version"
 
 	"github.com/rs/zerolog/log"
 )
 
 func main() {
+	// Check for version flag first (before config loading)
+	if len(os.Args) > 1 && (os.Args[1] == "--version" || os.Args[1] == "-version") {
+		fmt.Println(version.Full())
+		os.Exit(0)
+	}
+
 	// Load configuration (this will also setup logging)
 	cfg, err := config.LoadConfig()
 	if err != nil {