Create build.yml

.github/workflows/build.yml

@@ -0,0 +1,15 @@
+on:
+  push:
+    branches: ["master"]
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - run: cargo build --verbose --release
+      - uses: actions/upload-artifact@v4
+        with:
+          path: target/release/bookshelf-api