To build and enrich documentation for openEuler project.

release management including key features, release plan, development and branch plan, release scope and notes

Confidential computing framework for developing enclave apps on top of hardware TEE

secGaer is an SDK to develop confidential computing apps based on hardware enclave features. The target is to use single source code for developers to develop apps running on different hardware.Currently secGear support Intel SGX and iTrustee running in ARM Trustzone.