Add Font Awesome icons and refactor tech icon handling

- Added Font Awesome dependencies for enhanced icon support.
- Refactored tech icon components to utilize Font Awesome icons instead of custom SVGs.
- Updated skill data files to include icon properties for various technologies.
- Removed obsolete tech icon files to streamline the codebase.

lib/fontawesome.ts

@@ -0,0 +1,6 @@
+// Configuration Font Awesome
+import { config } from '@fortawesome/fontawesome-svg-core';
+import '@fortawesome/fontawesome-svg-core/styles.css';
+
+// Empêche Font Awesome d'ajouter automatiquement du CSS (Next.js le gère)
+config.autoAddCss = false;

lib/types.ts

@@ -23,6 +23,7 @@ export interface Skill {
   id: string;
   name: string;
   description: string;
+  icon?: string;
   links: string[];
 }