Add GitHub workflow

.github/workflows/build.yaml

@@ -0,0 +1,33 @@
+name: build
+on: [push, pull_request]
+jobs:
+  build-api:
+    name: Build API
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+      - uses: Swatinem/rust-cache@v1
+      - run: cargo build --locked --all-features --bin fastreach-api
+  build-ui:
+    name: Build UI
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install and Build
+        run: |
+          npm install
+          npm run build
+  lints:
+    name: Lints
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          components: clippy
+      - uses: Swatinem/rust-cache@v1
+      - run: cargo clippy -- -D warnings -W clippy::all -W clippy::pedantic