diff --git a/config/importmap.rb b/config/importmap.rb
--- a/config/importmap.rb
+++ b/config/importmap.rb
@@ -1,8 +1,12 @@
 # Pin npm packages by running ./bin/importmap
 
+#entry point
 pin "application", preload: true
-#pin_all_from "app/javascript/controllers", under: "controllers"
+pin "prepend_jquery", preload: true
+pin_all_from "app/javascript/controllers", under: "controllers"
 
-#pin "jquery" # @3.6.1
-#pin "pdfmake", to: "https://ga.jspm.io/npm:pdfmake@0.2.5/build/pdfmake.js"
-pin "jquery", to: 'jquery-local.js'
+pin "pdfmake", to: "https://ga.jspm.io/npm:pdfmake@0.2.5/build/pdfmake.js"
+pin "jquery", to: 'jquery.js'
+pin "bootstrap", to: "bootstrap.bundle.min.js"
+#no need popper, because bundled already in bootstrap
+#pin "@popperjs/core", to: "https://ga.jspm.io/npm:@popperjs/core@2.11.6/lib/index.js"