refactor: merge 2 rust crate in one

Assets/BMapBindings/bmap-rs/src/bmap.rs

@@ -0,0 +1,15 @@
+//! The module contains raw FFI bindings to native BMap library.
+//! 
+//! For the user of this library, use `bmap_wrapper` instead of this module,
+//! except you really need these raw calling and know what you are doing.
+
+use std::ffi::{CStr, CString};
+use std::os::raw::{c_float, c_void};
+//use std::ptr;
+
+#[rustfmt::skip]
+#[link(name = "BMap", kind = "dylib")]
+unsafe extern "C" {
+    pub unsafe fn BMInit() -> bool;
+    pub unsafe fn BMDispose() -> bool;
+}