Add some badges and basic information the README.md

README.md

@@ -0,0 +1,20 @@
+# gng
+
+[![CI](https://github.com/{[username]}/gng/workflows/Continuous%20Integration/badge.svg)](https://github.com/{[username]}/gng/actions)
+[![Coverage Status](https://coveralls.io/repos/github/{[username]}/gng/badge.svg?branch=master)](https://coveralls.io/github/{[username]}/gng?branch=master)
+
+## Installation
+
+### Cargo
+
+* Install the rust toolchain in order to have cargo installed by following
+  [this](https://www.rust-lang.org/tools/install) guide.
+* run `cargo install gng`
+
+## Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in the work by you, shall be licensed as the rest of the project,
+without any additional terms or conditions.
+
+See [CONTRIBUTING.md](CONTRIBUTING.md).