[Dev] SIG-Proposal-Best Open Source RTOS integration

Hello, Here's the SIG proposal for Best Open Source RTOS integration. The goal of the SIG is to quickly solve the third-party chip kernel adaptation by integrating the industry's existing mature RTOS. The lead maintainer of this SIG is Amit Kucheria ( amit.kucheria.ext@huawei.commailto:amit.kucheria.ext@huawei.com ). Detailed proposal is attached. Thank you. Best Regards, Jianyu Liu Warsaw Research Center [w6]