* Add context callback support for x86 and x64
* Wrap feature support in #ifdef DETOURS_SUPPORT_DETOUR_CONTEXT_CALLBACK
* Working sample
* Use CALL rather than JMP, saving 11 bytes of code gen, and 8 bytes of memory (after alignment)
* Move to matrix for callback CI build
* Use strings rather than bools for matrix
* Rerun checks
---------
Co-authored-by: Jay Krell <jay.krell@cornell.edu>