Improve libraries load for subtheme

subtheme/bootstrap_barrio_subtheme.libraries.yml

@@ -5,3 +5,17 @@ global-styling:
   css:
     component:
       css/style.css: {}
+bootstrap:
+  js:
+    /libraries/popper/popper.min.js: {}
+    /libraries/bootstrap/dist/js/bootstrap.min.js: {}
+  css:
+    component:
+      /libraries/bootstrap/dist/css/bootstrap.min.css{}: {}
+bootstrap_cdn:
+  js:
+    //cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js: {}
+    //stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js: {}
+  css:
+    component:
+      //stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css{}: {}