ci: add Rust CI

Check rustfmt/clippy/tests.

.github/workflows/ci.yml

@@ -0,0 +1,81 @@
+# A lot of this has been copied from https://github.com/axodotdev/cargo-dist/blob/main/.github/workflows/ci.yml
+
+name: MinedMap Rust CI
+
+on:
+  pull_request:
+  push:
+
+env:
+  RUSTFLAGS: -Dwarnings
+  RUSTDOCFLAGS: -Dwarnings
+
+jobs:
+  fmt:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          # Use beta for now for let-else formatting
+          toolchain: beta
+          components: rustfmt
+      - run: cargo fmt --all -- --check
+
+  clippy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
+          components: clippy
+      - uses: swatinem/rust-cache@v2
+      - uses: actions-rs/clippy-check@v1
+        env:
+          PWD: ${{ env.GITHUB_WORKSPACE }}
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --workspace --tests --examples
+
+  docs:
+   runs-on: ubuntu-latest
+   env:
+     RUSTDOCFLAGS: -Dwarnings
+   steps:
+     - uses: actions/checkout@master
+     - uses: dtolnay/rust-toolchain@master
+       with:
+         toolchain: stable
+         components: rust-docs
+     - uses: swatinem/rust-cache@v2
+     - run: cargo doc --workspace --no-deps --document-private-items
+
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+        rust: [stable]
+    steps:
+      - uses: actions/checkout@master
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.rust }}
+      - uses: swatinem/rust-cache@v2
+      # Run the tests/doctests (default features)
+      - run: cargo test --workspace
+        env:
+          PWD: ${{ env.GITHUB_WORKSPACE }}
+      # Run the tests/doctests (no default features)
+      - run: cargo test --workspace --no-default-features
+        env:
+          PWD: ${{ env.GITHUB_WORKSPACE }}
+      # Test the examples (default features)
+      - run: cargo test --workspace --examples --bins
+        env:
+          PWD: ${{ env.GITHUB_WORKSPACE }}
+      # Test the examples (no default features)
+      - run: cargo test --workspace --no-default-features --examples --bins
+        env:
+          PWD: ${{ env.GITHUB_WORKSPACE }}