Add CI workflow (#51)

Signed-off-by: Gray Campbell <12163070+graycampbell@users.noreply.github.com>

Author: graycampbell

.github/workflows/ci.yml

@@ -0,0 +1,45 @@
+name: CI
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  build-and-test:
+    name: Build, Test, & Report Coverage
+    runs-on: macos-latest
+
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v4
+
+      - name: Set up Xcode
+        uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: latest
+
+      - name: Install dependencies
+        run: swift package resolve
+
+      - name: Build the package
+        run: swift build
+
+      - name: Run tests with code coverage
+        run: swift test --enable-code-coverage
+
+      - name: Gather code coverage
+        run: xcrun llvm-cov export -format="lcov" .build/debug/SwiftSyntaxSugarPackageTests.xctest/Contents/MacOS/SwiftSyntaxSugarPackageTests -instr-profile .build/debug/codecov/default.profdata > coverage_report.lcov
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          files: coverage_report.lcov
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: fetch-rewards/SwiftSyntaxSugar
+          verbose: true
+          fail_ci_if_error: true

codecov.yml

@@ -0,0 +1,3 @@
+coverage:
+  ignore:
+    - Tests/*