Add CircleCI install script

hellotech/.local/bin/install-circleci

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+# shellcheck disable=SC1090
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+
+APP=circleci
+VERSION=${VERSION:-0.1.18894}
+DEST=${XDG_DATA_HOME}/apps/releases/${APP}
+URL=https://github.com/CircleCI-Public/circleci-cli/releases/download/v${VERSION}/circleci-cli_${VERSION}_$(get_os)_$(get_arch).tar.gz
+
+extract_tarball "${URL}" "${DEST}/${VERSION}" "--strip-component 1"
+set_current_link "${DEST}" "${VERSION}"
+set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"