fix: replace project card images with authentic app UI screenshots from blog articles

Author: networkandcode

public/images/projects/brailleboard_screenshot.jpg

@@ -24,7 +24,7 @@ export const featuredProjects: Project[] = [
     description: "Text-to-Braille conversion web application built with Appwrite backend, Next.js frontend, and Web Speech API for accessibility.",
     articleUrl: "https://networkandcode.hashnode.dev/text-to-braille-webpp-with-appwrite-nextjs-and-web-speech-api",
     repoUrl: "https://github.com/networkandcode/brailleboard",
-    image: "/images/projects/brailleboard_screenshot_1786124966684.jpg",
+    image: "/images/projects/brailleboard_screenshot.jpg",
     techStack: ["Next.js", "Appwrite", "Web Speech API", "React"]
   },
   {
@@ -42,7 +42,7 @@ export const featuredProjects: Project[] = [
     description: "Full-stack notes application featuring instant search, dynamic tags, and cloud database persistence.",
     articleUrl: "https://dev.to/networkandcode/notes-app-with-nextjs-2l4g",
     repoUrl: "https://github.com/networkandcode/notes-app",
-    image: "/images/projects/notes_app_screenshot_1786125224920.jpg",
+    image: "/images/projects/notes_app_screenshot.png",
     techStack: ["Next.js", "Serverless", "React", "REST API"]
   },
   {
@@ -51,7 +51,7 @@ export const featuredProjects: Project[] = [
     description: "Comprehensive school administrative dashboard deployed on Linode cloud with student records, attendance, and role-based access.",
     articleUrl: "https://networkandcode.hashnode.dev/school-admin-app-with-nextjs-on-linode",
     repoUrl: "https://github.com/networkandcode/sms",
-    image: "/images/projects/school_admin_screenshot_1786125016041.jpg",
+    image: "/images/projects/school_admin_screenshot.jpg",
     techStack: ["Next.js", "TypeScript", "Linode Cloud", "Docker"]
   },
   {
@@ -60,7 +60,7 @@ export const featuredProjects: Project[] = [
     description: "E-commerce web application backed by HarperDB NoSQL/SQL database and Next.js frontend rendering.",
     articleUrl: "https://networkandcode.hashnode.dev/online-shop-with-nextjs-and-harperdb",
     repoUrl: "https://github.com/networkandcode/shop",
-    image: "/images/projects/shop_app_screenshot_1786125244408.jpg",
+    image: "/images/projects/shop_app_screenshot.jpg",
     techStack: ["Next.js", "HarperDB", "GraphQL", "React"]
   }
 ];