Add version detection endpoint

package.json

@@ -1,6 +1,6 @@
 {
   "name": "adventurelog",
-  "version": "0.1.0",
+  "version": "0.1.6",
   "description": "Embark, Explore, Remember. 🌍",
   "private": true,
   "scripts": {

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

@@ -0,0 +1,27 @@
+import type { RequestEvent } from "@sveltejs/kit";
+import { readFileSync } from "fs";
+import { join, dirname } from "path";
+import { fileURLToPath } from "url";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+const packageJsonPath = join(__dirname, "..", "..", "..", "..", "package.json");
+const json = readFileSync(packageJsonPath, "utf8");
+const pkg = JSON.parse(json);
+
+const version = pkg.version;
+
+/**
+ * Handles the GET request for the version API endpoint.
+ * @param event - The request event object.
+ * @returns A Promise that resolves to a Response object.
+ */
+export async function GET(event: RequestEvent): Promise<Response> {
+  return new Response(JSON.stringify({ version: version }), {
+    status: 200,
+    headers: {
+      "Content-Type": "application/json",
+    },
+  });
+}