Try Github actions for bootstrap test

Author: primeapple

.github/Dockerfile

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+FROM archlinux:base
+
+RUN pacman -Syu --noconfirm \
+    && pacman -S --noconfirm fish yadm
+
+WORKDIR /app
+COPY bootstrap.sh bootstrap.sh
+RUN chmod +x bootstrap.sh
+
+CMD ./bootstrap.sh

.github/bootstrap.sh

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+echo "Bootstrap test..."
+exit 0

.github/workflows/bootstrap.yml

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+name: Bootstrap Test
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Build Docker image
+        run: docker build -f .github/Dockerfile -t arch-bootstrap .github/
+
+      - name: Run bootstrap script
+        run: docker run --rm arch-bootstrap