feat: move .a lib

__ffi/dotalib/README.md

@@ -0,0 +1,19 @@
+
+Install cbindgen:
+https://github.com/eqrion/cbindgen
+
+C++
+```shell
+cbindgen --config cbindgen.toml --crate dotalib --output dotalib.h
+```
+
+C
+```shell
+cbindgen --config cbindgen.toml --crate dotalib --lang c --output dotalib.h
+```
+
+Compile
+```shell
+cargo build
+gcc -Ltarget/debug/ -ldota test.c
+```