Add Rust bindings to master branch (#1401)

* Rust bindings (#1295)

* rust bindings init

* updated bindings/README

* Improved Rust bindings: (#1309)

* Added basic block hooking
* Changed confusing struct naming. Before: Protection::All -> R,W,X, Now: Permission::All -> R,W,X
* Fixed issue with remove_hook(..). Implementation tried to remove hook from incorrect hashmap.
* Made unused private vmmap(..) public.

* Improve Rust bindings (#1367)

* fixed tests

* constant readability

* HookType as bitflags

* Mode as bitflags

* improve bitflags

* cargo fmt

* removed unnecessary "as usize"

* fixed buggy deallocation of uc_context structs

* Remove data field in rust bindings

Co-authored-by: Lukas Seidel <pr0me@users.noreply.github.com>
Co-authored-by: Nikolas Eller <nikolas.e@mail.de>
Co-authored-by: Simon Wörner <git@simon-woerner.de>
Co-authored-by: floesen <floesen@users.noreply.github.com>

bindings/rust/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "unicorn"
+version = "1.0.0"
+authors = ["Lukas Seidel"]
+documentation = ""
+edition = "2018"
+include = [
+    "/.gitmodules",
+    "/COPYING",
+    "/Cargo.toml",
+    "/README.md",
+    "/src/*",
+]
+license = "GPL-2.0"
+readme = "README.md"
+repository = "https://github.com/unicorn-engine/unicorn/"
+description = "Rust bindings for the Unicorn emulator with utility functions"
+build = "build.rs"
+links = "unicorn"
+
+[dependencies]
+bitflags = "1.0"
+libc = "0.2"
+capstone="0.6.0"
+
+[build-dependencies]
+build-helper = "0.1"