Enable KeyStatic CMS for production

Changes:
- Added Netlify adapter for server-side rendering
- Changed output mode from static to server
- Updated KeyStatic storage from local to GitHub
- Removed SKIP_KEYSTATIC from Netlify build
- KeyStatic Admin UI will be available at /keystatic

Features:
- Server-side rendering with Netlify Functions
- GitHub integration for content management
- Production-ready KeyStatic Admin UI

Co-Authored-By: Claude <noreply@anthropic.com>

.netlify/build/pages/api/repeaters.json.astro.mjs

@@ -0,0 +1,46 @@
+export { renderers } from '../../renderers.mjs';
+
+async function GET() {
+  const repeaters = [
+    {
+      id: "YM1KTC",
+      name: "İstanbul Röle",
+      frequency: "439.4125+",
+      offset: "+7.6",
+      tone: "88.5",
+      colorCode: "1",
+      status: "online",
+      lastheard: (/* @__PURE__ */ new Date()).toISOString()
+    },
+    {
+      id: "YM2KTR",
+      name: "Ankara Röle",
+      frequency: "439.4750-",
+      offset: "-5.0",
+      tone: "88.5",
+      colorCode: "1",
+      status: "online",
+      lastheard: new Date(Date.now() - 36e5).toISOString()
+    },
+    {
+      id: "YM3KTC",
+      name: "İzmir Röle",
+      frequency: "439.5500+",
+      offset: "+7.6",
+      tone: "88.5",
+      colorCode: "1",
+      status: "offline",
+      lastheard: new Date(Date.now() - 864e5).toISOString()
+    }
+  ];
+  return Response.json(repeaters);
+}
+
+const _page = /*#__PURE__*/Object.freeze(/*#__PURE__*/Object.defineProperty({
+  __proto__: null,
+  GET
+}, Symbol.toStringTag, { value: 'Module' }));
+
+const page = () => _page;
+
+export { page };