Add github lint and test workflow

Author: YJDoc2

.github/workflows/main.yaml

@@ -0,0 +1,39 @@
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust: [1.56.1, 1.57.0]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.rust }}
+          override: true
+      - run: rustup component add rustfmt clippy
+      - run: cargo build
+      - name: Check formatting
+        run: cargo fmt --all -- --check
+      - name: Check clippy lints
+        run: cargo clippy --all-targets --all-features -- -D warnings
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust: [1.56.1, 1.57.0]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.rust }}
+          override: true
+      - name: Run tests
+        run: cargo test --all --all-features --no-fail-fast