refactor: remove GitHub authentication API endpoints and add new components

- Deleted GitHub callback and authentication handler files.
- Added new component for displaying headlines.
- Implemented hot news feed component with external API fetching.
- Created dynamic news provider page with routing.
- Developed news organization about page with animations and data fetching.
- Introduced a code of conduct document.

server/api/auth/callback/github.get.ts

@@ -1,5 +0,0 @@
-export default defineEventHandler(async (event) => {});
-
-async function findUser(githubUser: any) {
-  console.log("Github User: " + githubUser);
-}

server/api/auth/github.get.ts

@@ -1,16 +0,0 @@
-import crypto from "node:crypto";
-export default defineEventHandler(async (event) => {
-  const baseUrl = event.node.req.headers.host;
-  const protocol = process.env.NODE_ENV === "production" ? "https" : "http";
-  const clientId = process.env.NUXT_GITHUB_CLIENT_ID;
-  const callbackUrl = `${protocol}://${baseUrl}/api/auth/github/callback`;
-  const state = crypto.randomBytes(16).toString("hex");
-  setCookie(event, "oauth_state", state, {
-    httpOnly: true,
-    secure: process.env.NODE_ENV === "production",
-    maxAge: 60 * 10,
-    path: "/",
-  });
-  const authorizationUrl = `https://github.com/login/oauth/authorize?client_id=${clientId}&redirect_uri=${encodeURIComponent(callbackUrl)}&scope=read:user,user:email&state=${state}`;
-  await sendRedirect(event, authorizationUrl, 302);
-});