add cpp26 badge and under dev badge

Author: JeffGarland

README.md

@@ -4,6 +4,9 @@ SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 # beman.execution: Building Block For Asynchronous Programs
 
 <img src="https://github.com/bemanproject/beman/blob/main/images/logos/beman_logo-beman_library_under_development.png" style="width:5%; height:auto;">
+![Library Status](https://raw.githubusercontent.com/bemanproject/beman/refs/heads/main/images/badges/beman_badge-beman_library_under_development.svg)
+![Target Standard](https://github.com/bemanproject/beman/blob/main/images/badges/cpp26.svg)
+
 
 `beman.execution` provides the basic vocabulary for asynchronous
 programming as well as important algorithms implemented in terms