add ci

.github/workflows/build.yml

@@ -0,0 +1,34 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+  # Run in PRs with conflicts (https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request)
+  pull_request:
+    branches:
+      - main
+    types: [opened, synchronize, reopened]
+
+env:
+  GIT_LFS_SKIP_SMUDGE: 1
+  CARGO_INCREMENTAL: 0
+  RUST_BACKTRACE: full
+
+jobs:
+  build:
+    runs-on: [ubuntu-latest]
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+      - name: Setup rust toolchain
+        uses: oxidecomputer/actions-rs_toolchain@ad3f86084a8a5acf2c09cb691421b31cf8af7a36
+        with:
+          profile: default
+          override: true
+      - name: Cache cargo registry
+        uses: actions/checkout@v3
+      - name: Build
+        run: cargo build --release
+