Add CI workflow

Fixes: https://github.com/trussed-dev/pc-usbip-runner/issues/3

.github/workflows/ci.yml

@@ -0,0 +1,42 @@
+name: CI
+
+on:
+  pull_request:
+    branches: [main]
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install Rust toolchain
+        run: |
+          rustup show
+
+      - name: Install build dependencies
+        run: >
+          sudo apt-get update -y -qq &&
+          sudo apt-get install -y -qq llvm libclang-dev
+
+
+      - name: Check all targets
+        run: |
+          cargo check --workspace --all-targets --no-default-features
+          cargo check --workspace --all-targets --no-default-features --features ctaphid
+          cargo check --workspace --all-targets --no-default-features --features ccid
+          cargo check --workspace --all-targets
+          cargo check --workspace --all-targets --all-features
+
+      - name: Check formatting
+        run: cargo fmt --all -- --check
+
+      - name: Check clippy lints
+        run: cargo clippy --all-features --all-targets -- --deny warnings
+
+      - name: Check documentation
+        run: RUSTDOCFLAGS="-D warnings" cargo doc --no-deps --all-features