server : (web ui) Various improvements, now use vite as bundler (#10599)

* hide buttons in dropdown menu

* use npm as deps manager and vite as bundler

* fix build

* fix build (2)

* fix responsive on mobile

* fix more problems on mobile

* sync build

* (test) add CI step for verifying build

* fix ci

* force rebuild .hpp files

* cmake: clean up generated files pre build

examples/server/webui/src/styles.css

@@ -0,0 +1,26 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+.markdown {
+  h1, h2, h3, h4, h5, h6, ul, ol, li { all: revert; }
+  pre {
+    @apply whitespace-pre-wrap rounded-lg p-2;
+    border: 1px solid currentColor;
+  }
+  /* TODO: fix markdown table */
+}
+
+.show-on-hover {
+  @apply md:opacity-0 md:group-hover:opacity-100;
+}
+.btn-mini {
+  @apply cursor-pointer hover:shadow-md;
+}
+.chat-screen { max-width: 900px; }
+
+.chat-bubble-base-300 {
+  --tw-bg-opacity: 1;
+  --tw-text-opacity: 1;
+  @apply bg-base-300 text-base-content;
+}