Test GH Action

.github/workflows/test.yml

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+name: Verify
+on:
+  push:
+    pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: Install mdbook
+      run: |
+        mkdir mdbook
+        curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.14/mdbook-v0.4.14-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
+        echo `pwd`/mdbook >> $GITHUB_PATH
+    - name: Update dependencies
+      run: sudo apt update && sudo apt upgrade -y
+    - name: Install plantuml
+      run: sudo apt-get install plantuml
+    - name: Install Rust
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: stable
+    - name: Install mdbook-plantuml
+      uses: actions-rs/cargo@v1
+      with:
+        command: install
+        args: mdbook-plantuml
+    - name: Test build
+      run: mdbook build
+

src/section-4-best-practices

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+# Section:4 Best Practices