Add ./ci/all.sh

Author: nhooyr

ci/all.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+main() {
+  cd "$(dirname "$0")/.."
+
+  ./ci/fmt.sh
+  ./ci/lint.sh
+  ./ci/test.sh
+}
+
+main "$@"