Include Model File during module compilation

[mstallmo]

The model file is currently opened with File::open at initialization of object detection during run-time. Instead of doing this at run time we should include the bytes statically at compile time with the include_bytes! macro.

This will make the library much more portable and not require downloading external model files at runtime.

Link to documentation for include_bytes! https://doc.rust-lang.org/std/macro.include_bytes.html