Add size and offset to immediate and memory operand structs #918

Job	Run time
MSBuild build (windows-2022)	1m 0s
CMake build + tests (macOS-latest )	18s
CMake build + tests (macOS-latest -DZYAN_NO_LIBC=ON)	17s
Amalgamated build (Ubuntu 22.04)	7s
fuzzing (address)	1m 3s
fuzzing (undefined)	1m 0s
fuzzing (memory)	1m 4s
CMake build + tests (windows-2022 )	43s
CMake build + tests (windows-2022 -DZYAN_NO_LIBC=ON)	51s
CMake build + tests (ubuntu-22.04 )	6s
CMake build + tests (ubuntu-22.04 -DZYAN_NO_LIBC=ON)	6s
CMake build + tests (ubuntu-22.04 -DZYDIS_MINIMAL_MODE=ON -DZYDIS_FEATURE_ENCODER=OFF)	6s
CMake build + tests (windows-2022 -TClangCL)	1m 21s
	8m 2s

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