Add workflows

.github/workflows/init-test.yml

@@ -0,0 +1,23 @@
+name: "init script test"
+ on:
+   push:
+     branches:
+       - main
+   pull_request:
+     branches:
+       - main
+
+ jobs:
+   build:
+     strategy:
+       matrix:
+         os: [ubuntu-latest, macos-latest]
+     runs-on: ${{ matrix.os }}
+     steps:
+       - uses: actions/checkout@v3
+       - name: Show dotfiles
+         run: make list
+       - name: Install dotfiles
+         run: make install
+       - name: Self-documented Makefile
+         run: make help

.github/workflows/lint.yml

@@ -0,0 +1,28 @@
+name: lint
+ on:
+   push:
+     branches:
+       - main
+   pull_request:
+     branches:
+       - main
+
+ jobs:
+   shellcheck:
+     runs-on: ubuntu-latest
+     steps:
+       - uses: actions/checkout@v3
+       - name: Check the setup scripts
+         uses: reviewdog/action-shellcheck@v1
+         with:
+           github_token: ${{ secrets.github_token }}
+           reporter: github-check
+           path: "."
+           pattern: "*.sh"
+       - name: Check the scripts in '~/bin'
+         uses: reviewdog/action-shellcheck@v1
+         with:
+           github_token: ${{ secrets.github_token }}
+           reporter: github-check
+           path: "./bin/"
+           pattern: "*"