refactor/ RREADME updated, About Us updated, unused route removed

src/util/suggestions.js

@@ -13,7 +13,7 @@ async function generateFact(factInput) {
 async function generateSuggestions() {
     const response = await ai.models.generateContent({
       model: "gemini-2.0-flash",
-      contents: "Return a mock investment suggestion 3-5 lines only",
+      contents: "Return a mock investment suggestion 3-5 lines only, please do not include any extra text or explanation.",
     });
     return response.text;
 }