wip: further cleanup

scripts/install.d/13-nvm.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+nvm_version="v0.38.0"
+if ! bin_in_path "nvm"; then
+    download_run "https://raw.githubusercontent.com/nvm-sh/nvm/${nvm_version}/install.sh" \
+        "bash"
+fi
+
+[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
+
+nvm --version
+nvm install node
+nvm use node
+
+node --version