feature/ Surprise challenge #2 - AI pun button added and basic suggestion integrated in the plans

src/util/suggestions.js

@@ -0,0 +1,24 @@
+const { GoogleGenAI } = require("@google/genai");
+
+const ai = new GoogleGenAI({ apiKey: process.env.GOOGLE_API_KEY });
+
+async function generatePun() {
+  const response = await ai.models.generateContent({
+    model: "gemini-2.0-flash",
+    contents: "Return a funny pun about investments, answer the pun only, no additional text.",
+  });
+  return response.text;
+}
+
+async function generateSuggestions() {
+    const response = await ai.models.generateContent({
+      model: "gemini-2.0-flash",
+      contents: "Return a mock investment suggestion 3-5 lines only",
+    });
+    return response.text;
+}
+
+module.exports = {
+    generatePun,
+    generateSuggestions
+};