Add build GHA

.github/workflows/build.yml

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+on: [push, pull_request]
+
+name: Build
+
+env:
+  RUSTFLAGS: '-D warnings'
+
+jobs:
+  ci-linux:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust: [stable]
+        TARGET:
+          - x86_64-unknown-linux-gnu
+          - x86_64-unknown-linux-musl
+          - arm-unknown-linux-gnueabi # Raspberry Pi 1
+          - armv7-unknown-linux-gnueabihf # Raspberry Pi 2, 3, etc
+          # Bare metal
+          - thumbv6m-none-eabi
+          - thumbv7em-none-eabi
+          - thumbv7em-none-eabihf
+          - thumbv7m-none-eabi
+
+        include:
+          # Test MSRV
+          - rust: 1.31.0
+            TARGET: x86_64-unknown-linux-gnu
+
+          - rust: beta
+            TARGET: x86_64-unknown-linux-gnu
+
+          # Test nightly but don't fail
+          - rust: nightly
+            experimental: true
+            TARGET: x86_64-unknown-linux-gnu
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.TARGET }}
+          override: true
+
+      - name: Checkout CI scripts
+        uses: actions/checkout@v2
+        with:
+          repository: 'eldruin/rust-driver-ci-scripts'
+          ref: 'master'
+          path: 'ci'
+
+      - run: ./ci/patch-no-std.sh
+        if: ${{ ! contains(matrix.TARGET, 'x86_64') }}
+
+      - name: Build
+        uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --target=${{ matrix.TARGET }}
+
+      - name: Test
+        uses: actions-rs/cargo@v1
+        if: contains(matrix.TARGET, 'x86_64')
+        with:
+          command: test
+          args: --target=${{ matrix.TARGET }}

.github/workflows/clippy.yml

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+on: [push, pull_request]
+
+name: Clippy check
+
+env:
+  RUSTFLAGS: '-D warnings'
+
+jobs:
+  clippy_check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+          components: clippy
+      - uses: actions-rs/clippy-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/coverage.yml

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+on: [push]
+
+name: Coverage
+
+jobs:
+  check:
+    name: Coverage
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+
+      - name: Run cargo-tarpaulin
+        uses: actions-rs/tarpaulin@v0.1
+        with:
+          args: '--ignore-tests --out Lcov'
+
+      - name: upload to Coveralls
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path-to-lcov: './lcov.info'

.github/workflows/rustfmt.yml

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+on: [push, pull_request]
+
+name: Code formatting check
+
+jobs:
+  fmt:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+          components: rustfmt
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check