fix: update pointer arithmetic to use explicit casting for clarity and correctness

fix: correct default calling convention assignment in nh_create function

refactor: update API export definitions and clean up header files

refactor: standardize function declarations and improve build workflow configuration

fix: update .gitignore and CMakeLists.txt

fix: update error handling macros to ensure consistency in error checking

refactor: consolidate module functionality into core.h and core.c, removing module.h

refactor: update error handling types and improve header inclusions across multiple files

fix: remove redundant variable initialization in nh_disable_all function

fix: initialize return values in nh_enable_all and nh_disable_all functions

Refactor hook, manager and trampoline implementation

refactor: separate thread management into thread.c/h

feat: enhance nh_create_with_mem function to support instruction disassembly and memory patching

feat: add nh_create_with_mem function for custom memory patching and update README with usage examples

fix: update submodule branches and improve logging in hook.c