feat: Initialize Discord-style AI chat project

Sets up the project structure, dependencies, and basic configuration for a Discord-inspired AI chat application. Includes placeholder components and types, Vite configuration for local development, and basic styling for a dark theme and custom scrollbars. Integrates Gemini API key handling and a service for sending messages.

services/geminiService.ts

@@ -0,0 +1,42 @@
+import { GoogleGenAI } from "@google/genai";
+import { Message } from '../types';
+
+let chatSession: any = null;
+
+const getClient = () => {
+  const apiKey = process.env.API_KEY;
+  if (!apiKey) {
+    console.error("API Key not found");
+    return null;
+  }
+  return new GoogleGenAI({ apiKey });
+};
+
+export const sendMessageToGemini = async (
+  newMessage: string, 
+  previousMessages: Message[]
+): Promise<string> => {
+  const ai = getClient();
+  if (!ai) return "Error: API Key is missing. Please check your configuration.";
+
+  try {
+    // We maintain a simple local chat session if possible, or create new one
+    // Ideally, we'd persist the `chatSession` object, but for this stateless example 
+    // we can re-hydrate somewhat or just use the persistent variable module-level.
+    
+    if (!chatSession) {
+       chatSession = ai.chats.create({
+        model: 'gemini-2.5-flash',
+        config: {
+          systemInstruction: "You are a casual, friendly AI chat companion in a Discord-like interface. Keep your responses concise, conversational, and use markdown where appropriate (like bolding or code blocks). Do not be overly formal.",
+        },
+      });
+    }
+
+    const response = await chatSession.sendMessage({ message: newMessage });
+    return response.text;
+  } catch (error) {
+    console.error("Gemini API Error:", error);
+    return "I'm having trouble connecting to the mainframe right now. Try again later!";
+  }
+};