add sidecar support for mcp server

Signed-off-by: kevin-shelaga <kevin.shelaga@solo.io>

Author: kevin-shelaga

api/v1alpha1/mcpserver_types.go

@@ -240,6 +240,11 @@ type MCPServerDeployment struct {
 	// ServiceAccount defines the configuration for the ServiceAccount.
 	// +optional
 	ServiceAccount *ServiceAccountConfig `json:"serviceAccount,omitempty"`
+
+	// Sidecars defines additional containers to run alongside the MCP server container.
+	// These containers share the same pod and network namespace as the main container.
+	// +optional
+	Sidecars []corev1.Container `json:"sidecars,omitempty"`
 }
 
 // InitContainerConfig defines the configuration for the init container.