add workflow file

.github/workflows/rust.yml

@@ -0,0 +1,25 @@
+name: Build & Test
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Build
+        run: cargo build --verbose
+
+      - name: Run lib test
+        run: cargo test --lib --verbose
+
+      - name: Test documentation generation
+        run: cargo test && cargo doc

README.md

@@ -1,5 +1,6 @@
 # Rust Driver for DRV8833 Dual Bridge Motor Driver
 
+[![Build](https://github.com/milewski/drv8833-driver/actions/workflows/rust.yml/badge.svg?branch=main)](https://github.com/milewski/drv8833-driver/actions/workflows/rust.yml)
 [![Crate](https://img.shields.io/crates/v/drv8833-driver.svg)](https://crates.io/crates/drv8833-driver)
 [![Documentation](https://docs.rs/drv8833-driver/badge.svg)](https://docs.rs/drv8833-driver)