feat: update portfolio with new contact form functionality and improved styling

- Removed outdated CV file and replaced with a new image for the profile.
- Implemented a new email service using EmailJS for contact form submissions.
- Enhanced the contact form to handle errors and success messages.
- Updated the About section for grammatical accuracy.
- Modified the Hero component to link to the new CV file and updated GitHub profile link.
- Updated project links to point to the correct GitHub repositories.
- Improved styling for error messages and avatar image with hover effects.

package-lock.json

@@ -8,6 +8,7 @@
       "name": "xeewy.eu",
       "version": "0.0.0",
       "dependencies": {
+        "@emailjs/browser": "^4.4.1",
         "framer-motion": "^12.23.24",
         "lucide-react": "^0.553.0",
         "react": "^19.2.0",
@@ -312,6 +313,15 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@emailjs/browser": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/@emailjs/browser/-/browser-4.4.1.tgz",
+      "integrity": "sha512-DGSlP9sPvyFba3to2A50kDtZ+pXVp/0rhmqs2LmbMS3I5J8FSOgLwzY2Xb4qfKlOVHh29EAutLYwe5yuEZmEFg==",
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
     "node_modules/@esbuild/aix-ppc64": {
       "version": "0.25.12",
       "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.25.12.tgz",