Apply gofmt formatting to all Go files (#588)

## Summary
- Applied `gofmt -s -w` across the entire codebase to ensure consistent
Go formatting
- This will trigger a deployment with minimal code changes

## Test plan
- [x] Pre-commit hooks pass
- [x] No functional changes, formatting only

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude <noreply@anthropic.com>

cmd/publisher/commands/init.go

@@ -308,7 +308,7 @@ func createServerJSON(
 			URL:    repoURL,
 			Source: repoSource,
 		},
-		Version: version,
+		Version:  version,
 		Packages: []model.Package{pkg},
 	}
 }

cmd/publisher/commands/logout.go

@@ -13,7 +13,7 @@ func LogoutCommand() error {
 	}
 
 	tokenPath := filepath.Join(homeDir, TokenFileName)
-	
+
 	// Check if token file exists
 	if _, err := os.Stat(tokenPath); os.IsNotExist(err) {
 		_, _ = fmt.Fprintln(os.Stdout, "Not logged in")
@@ -30,7 +30,7 @@ func LogoutCommand() error {
 		".mcpregistry_github_token",
 		".mcpregistry_registry_token",
 	}
-	
+
 	for _, file := range legacyFiles {
 		path := filepath.Join(homeDir, file)
 		if _, err := os.Stat(path); err == nil {
@@ -40,4 +40,4 @@ func LogoutCommand() error {
 
 	_, _ = fmt.Fprintln(os.Stdout, "✓ Successfully logged out")
 	return nil
-}
+}

cmd/publisher/main.go

@@ -67,4 +67,4 @@ func printUsage() {
 	_, _ = fmt.Fprintln(os.Stdout, "  publish       Publish server.json to the registry")
 	_, _ = fmt.Fprintln(os.Stdout)
 	_, _ = fmt.Fprintln(os.Stdout, "Use 'mcp-publisher <command> --help' for more information about a command.")
-}
+}