feat: Add basic cd_push/cd_pop utilities

These just wrap around the builtins with standard input redirected to
devnull

Author: hyperupcall

pkg/src/public/cd.sh

@@ -0,0 +1,13 @@
+# shellcheck shell=bash
+
+utility.cd_push() {
+	if pushd "$@" >/dev/null; then :; else
+		return $?
+	fi
+}
+
+utility.cd_pop() {
+	if popd "$@" >/dev/null; then :; else
+		return $?
+	fi
+}