moved js files in public into js and css into css folder

public/js/modelCapabilities.js

@@ -0,0 +1,12 @@
+// Conservative allowlist for models supporting the boolean think API.
+// Unknown models remain usable for normal chat.
+const reasoningFamilies = new Set(["qwen3", "deepseek-r1", "deepseek-v3.1"]);
+
+export function getModelFamily(model) {
+    const id = typeof model === "string" ? model : model?.model || model?.name || model?.id || "";
+    return String(id).trim().toLowerCase().split("/").at(-1).split(":")[0];
+}
+
+export function supportsReasoning(model) {
+    return reasoningFamilies.has(getModelFamily(model));
+}