Add size and offset to immediate and memory operand structs #925

Job	Run time
MSBuild build (windows-2022)	1m 38s
CMake build + tests (macOS-latest )	25s
Amalgamated build (Ubuntu 22.04)	5s
CMake build + tests (macOS-latest -DZYAN_NO_LIBC=ON)	16s
fuzzing (address)	11m 45s
CMake build + tests (windows-2022 )	46s
fuzzing (undefined)	11m 16s
CMake build + tests (windows-2022 -DZYAN_NO_LIBC=ON)	55s
fuzzing (memory)	11m 18s
CMake build + tests (ubuntu-22.04 )	8s
CMake build + tests (ubuntu-22.04 -DZYAN_NO_LIBC=ON)	17s
CMake build + tests (ubuntu-22.04 -DZYDIS_MINIMAL_MODE=ON -DZYDIS_FEATURE_ENCODER=OFF)	6s
CMake build + tests (windows-2022 -TClangCL)	1m 11s
	40m 6s

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