🤖 add CI-CD

.github/workflows/test.yaml

@@ -0,0 +1,51 @@
+name: Test
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    name: argminmax test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ['windows-latest', 'macOS-latest', 'ubuntu-latest']
+        rust: ['stable', 'beta', 'nightly']
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Install Rust toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          components: clippy, rustfmt
+
+      - name: Rust toolchain info
+          run: |
+            cargo --version --verbose
+            rustc --version
+            cargo clippy --version    
+            cargo fmt --version
+
+      - name: Linting
+        run: |
+          cargo fmt -- --check
+          cargo clippy --features half -- -D warnings
+
+      - name: Cache Dependencies
+        uses: Swatinem/rust-cache@v1
+
+      - name: Run cargo-tarpaulin
+        uses: actions-rs/tarpaulin@v0.1
+        with:
+          args: '--features half -- --test-threads 1'
+
+      - name: Upload to codecov.io
+        uses: codecov/codecov-action@v3