feat(publish): set version as latest and add release date on publish

internal/database/memory.go

@@ -6,6 +6,7 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"time"
 
 	"github.com/google/uuid"
 	"github.com/modelcontextprotocol/registry/internal/model"
@@ -234,6 +235,8 @@ func (db *MemoryDB) Publish(ctx context.Context, serverDetail *model.ServerDetai
 
 	// Generate a new ID for the server detail
 	serverDetail.ID = uuid.New().String()
+	serverDetail.VersionDetail.IsLatest = true // Assume the new version is the latest
+	serverDetail.VersionDetail.ReleaseDate = time.Now().Format(time.RFC3339)
 	// Store a copy of the entire ServerDetail
 	serverDetailCopy := *serverDetail
 	db.entries[serverDetail.ID] = &serverDetailCopy