Add ci file

Author: cjrh

.github/workflows/ci.yml

@@ -0,0 +1,23 @@
+# Typical ci for a rust crate
+name: Cargo Build & Test
+
+on:
+    push:
+    pull_request:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build_and_test:
+    name: Rust project - latest
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        toolchain: [stable, beta, nightly]
+
+    steps:
+      - uses: actions/checkout@v4
+      - run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
+      - run: cargo build --verbose
+      - run: cargo test --verbose