Move ext/* to scripts/

scripts/setup-js.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+source VARS
+
+#
+echo "Setting up JS (tern/trepanjs)"
+
+case "$OSTYPE" in
+    darwin*)
+        brew install node
+        ;;
+    linux*)
+        if is-arch; then
+            sudo pacman --needed --noconfirm -S nodejs npm
+        else
+            echo "..."
+            exit 1
+        fi
+        ;;
+esac
+
+npm -g install trepanjs tern