add: search articles api endpoint

src/app.d.ts

@@ -1,13 +1,15 @@
 // See https://kit.svelte.dev/docs/types#app
 // for information about these interfaces
-import { Database } from 'pg';
+import { Pool } from "pg";
+import type { SimpleGit } from "simple-git";
 
 declare global {
 	namespace App {
 		// interface Error {}
 		interface Locals {
-      db: any;
-    }
+			db: Pool;
+			git: SimpleGit;
+		}
 		// interface PageData {}
 		// interface PageState {}
 		// interface Platform {}

src/routes/api/search/+server.ts

@@ -0,0 +1,18 @@
+import { json } from '@sveltejs/kit';
+import { error } from '@sveltejs/kit';
+import type { RequestHandler } from './$types';
+
+export const GET: RequestHandler = async ({ url, locals }) => {
+    const category = String(url.searchParams.get('category'));
+
+    if (!category) {
+        error(400, 'Bad request');
+    }
+
+    const db = await locals.db;
+    const article = await db.query(
+        'SELECT * FROM article WHERE category = $1',
+        [category]
+    );
+    return new Response();
+};