Add shellcheck github workflow

.github/workflows/shellcheck.yml

@@ -0,0 +1,18 @@
+name: shellcheck
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  shellcheck:
+    name: Run shellcheck on scripts
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+
+      - name: Run shellcheck
+        uses: ludeeus/action-shellcheck@00cae500b08a931fb5698e11e79bfbd38e612a38

bin/bootstrap

@@ -48,6 +48,7 @@ system("rm -rf %s" % File.join(dir, ".ruby-version"))
 system("rm -rf %s" % File.join(dir, "bin/bootstrap"))
 system("rm -rf %s" % File.join(dir, ".github/ISSUE_TEMPLATE.md"))
 system("rm -rf %s" % File.join(dir, ".github/workflows/pause-community-contributions.yml"))
+system("rm -rf %s" % File.join(dir, ".github/workflows/shellcheck.yml"))
 system("mv %s/TRACK_README.md %s/README.md" % [dir, dir])
 
 f = File.join(dir, 'LICENSE')