Integrate some CI into this project, to see how it works on GitHub.

.github/workflows/build-testing.yml

@@ -0,0 +1,106 @@
+name: build-testing
+
+on:
+  pull_request:
+  push:
+    branches:
+    - master
+    - feature/github-actions
+
+jobs:
+  tests:
+    name: ${{ matrix.rust }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        rust:
+          - stable
+          - beta
+          - nightly
+    env:
+      RUST_BACKTRACE: full
+      RUSTV: ${{ matrix.rust }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.rust }}
+          profile: minimal
+          override: true
+
+      - name: Check it!
+        run: |
+          cargo check --all-targets --profile=test
+
+      - name: Build it!
+        run: |
+          cargo build
+
+      - name: Test it!
+        run: |
+          cargo test
+
+  rustfmt:
+    name: rustfmt
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          profile: minimal
+          override: true
+          components: rustfmt
+      
+      - name: Check formatting
+        run: |
+          cargo fmt --all -- --check
+
+  clippy:
+    name: clippy
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          profile: minimal
+          override: true
+          components: clippy
+      
+      - name: Check formatting
+        run: |
+          cargo clippy
+
+  docs:
+    name: docs
+    runs-on: ubuntu-20.04 
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          profile: minimal
+          override: true
+      
+      - name: Check documentation
+        env:
+          RUSTDOCFLAGS: -D warnings
+        run: |
+          cargo doc --no-deps --document-private-items --workspace
+
+
+