Add basic GitHub workflows

.github/workflows/build_binaries.yml

@@ -0,0 +1,43 @@
+name: Build and Commit Binaries
+
+on:
+  push:
+    branches: [master]
+
+concurrency:
+  group: building
+  cancel-in-progress: true
+
+jobs:
+
+  build:
+    # Prevents the workflow from running on non-human triggers.
+    if: github.actor != 'github-actions[bot]'
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Set Up Go Environment
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22.1'
+
+      - name: Build embed_code.go for Windows
+        run: GOOS=windows GOARCH=amd64 go build -trimpath -o bin/embed-code-windows.exe main.go
+
+      - name: Build embed_code.go for Ubuntu
+        run: GOOS=linux GOARCH=amd64 go build -trimpath -o bin/embed-code-linux main.go
+
+      - name: Build embed_code.go for MacOS
+        run: GOOS=darwin GOARCH=amd64 go build -trimpath -o bin/embed-code-macos main.go
+
+      - name: Commit Built Files
+        uses: EndBug/add-and-commit@v9
+        with:
+          add: './bin'
+          message: 'Update binaries.'
+          default_author: github_actions
+          push: true

.github/workflows/check.yml

@@ -0,0 +1,27 @@
+name: Run Tests
+
+on: pull_request
+
+jobs:
+  build:
+    # Prevents the workflow from running on non-human triggers.
+    if: github.actor != 'github-actions[bot]'
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 10
+    strategy:
+      matrix:
+        os: [windows-latest, macos-latest, ubuntu-latest]
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Set Up Go Environment
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22.1'
+
+      - name: Run Tests
+        # Tests must be run sequentially because they create temporary files that can cause issues.
+        # Therefore, the "-p 1" argument is required.
+        run: go test -v ./... -p 1