Updates from project template

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches:
+    - main
+    paths:
+    - '**.swift'
+  pull_request:
+    branches:
+    - main
+    paths:
+    - '**.swift'
+  workflow_dispatch:
+
+jobs:
+  linux:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        image: ['swift:5.3-bionic', 'swift:5.3-focal', 'swift:5.3-amazonlinux2', 'swift:5.3-centos8']
+    container:
+      image: ${{ matrix.image }}
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Test
+      run: |
+        swift test --enable-test-discovery  --enable-code-coverage --sanitize=thread
+    - name: Convert coverage files
+      run: |
+        llvm-cov export -format="lcov" \
+          .build/debug/hummingbird-mustachePackageTests.xctest \
+          -ignore-filename-regex="\/Tests\/" \
+          -instr-profile .build/debug/codecov/default.profdata > info.lcov
+    - name: Upload to codecov.io
+      uses: codecov/codecov-action@v1
+      with:
+        file: info.lcov

.github/workflows/nightly.yml

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+name: Swift nightly build
+
+on:
+  schedule:
+    - cron: '0 1 * * *'
+  workflow_dispatch:
+
+jobs:
+  linux:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        image: ['nightly-5.4-bionic', 'nightly-5.4-focal', 'nightly-5.4-centos8', 'nightly-5.4-amazonlinux2']
+    container:
+      image: swiftlang/swift:${{ matrix.image }}
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Test
+      run: |
+        swift test --enable-test-discovery  --enable-code-coverage --sanitize=thread

.github/workflows/sanity.yml

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+name: Sanity Check
+
+on:
+  pull_request:
+    branches:
+    - main
+
+jobs:
+  sanity-check:
+    runs-on: macOS-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v1
+      with:
+        fetch-depth: 1
+    - name: Install Dependencies
+      run: |
+        brew install mint
+        mint install nicklockwood/swiftformat@0.47.4
+    - name: run script
+      run: ./scripts/sanity.sh