Cleaning up, some other preperation

static/css/fonts/bootstrap-icons.woff

@@ -0,0 +1 @@
+../../../node_modules/bootstrap-icons/font/fonts/bootstrap-icons.woff

static/css/fonts/bootstrap-icons.woff2

@@ -0,0 +1 @@
+../../../node_modules/bootstrap-icons/font/fonts/bootstrap-icons.woff2

static/css/mainStyle.css

@@ -113,4 +113,8 @@ pre {
   overflow: auto;
   word-wrap: normal;
   white-space: pre;
+}
+
+.hidden {
+  display: none !important;
 }