feat(about): Implement about API integration and migrate from static JSON

app/about/page.tsx

@@ -1,14 +1,21 @@
 import { AboutHero, AboutIntro, AboutMission, AboutFeatures, AboutNews } from "../components/about";
-import aboutData from "./about.json";
+import { aboutApi } from "../../api/aboutApi";
+
+export default async function AboutPage() {
+    const data = await aboutApi.getAbout();
+
+    if (!data) {
+        return null;
+    }
 
-export default function AboutPage() {
     return (
         <>
-            <AboutHero data={aboutData.hero} />
-            <AboutIntro data={aboutData.intro} />
-            <AboutMission data={aboutData.mission} />
-            <AboutFeatures data={aboutData.features} />
-            <AboutNews data={aboutData.news} />
+            <AboutHero data={data.hero} />
+            <AboutIntro data={data.intro} />
+            <AboutMission data={data.mission} />
+            <AboutFeatures data={data.features} />
+            <AboutNews data={data.news} />
         </>
     );
 }
+