message: Added to README.md document openssl dependencies
diff: @@ -151,6 +151,10 @@ If you want to build from source code, you need to install this before:
  rustup default nightly-2020-12-31
  ```
  4. Install **required OS libs**
  + - OpenSSL
  + ```
  + sudo apt install openssl libssl-dev
  + ```
  - Sodiumoxide package:
  ```
  sudo apt install pkg-config libsodium-dev
  