Add size and offset to immediate and memory operand structs #923

Job	Run time
Amalgamated build (Ubuntu 22.04)	7s
CMake build + tests (macOS-latest )	18s
MSBuild build (windows-2022)	1m 30s
CMake build + tests (macOS-latest -DZYAN_NO_LIBC=ON)	17s
fuzzing (address)	1m 4s
CMake build + tests (windows-2022 )	1m 34s
fuzzing (undefined)	1m 4s
CMake build + tests (windows-2022 -DZYAN_NO_LIBC=ON)	1m 21s
fuzzing (memory)	1m 6s
CMake build + tests (ubuntu-22.04 )	10s
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)	7s
CMake build + tests (windows-2022 -TClangCL)	1m 56s
	10m 40s

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