instructions for upstream bootstrap improved, to note font awesome needs work as I think only I can download

README

@@ -22,10 +22,16 @@ pip packages:
 upstream packages...
     mkdir static/upstream
     cd static/upstream
+    mkdir bootstrap-4.6.0-dist
+    cd bootstrap-4.6.0-dist
 
+    mkdir css
     # for boostrap:
     wget https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css
-    wget https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js
+
+    mkdir js
+    # to note we might need bootstrap.bundle.min.js if we use new features?
+    wget https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.min.js
 
     # for jquery
     https://code.jquery.com/jquery-3.6.0.min.js