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.

data/skills/security.json

@@ -9,7 +9,8 @@
       "links": [
         "https://oauth.net/2/",
         "https://tools.ietf.org/html/rfc6749"
-      ]
+      ],
+      "icon": "fas-key"
     },
     {
       "id": "jwt",
@@ -18,7 +19,8 @@
       "links": [
         "https://jwt.io/",
         "https://tools.ietf.org/html/rfc7519"
-      ]
+      ],
+      "icon": "fas-shield"
     },
     {
       "id": "https-ssl",
@@ -27,7 +29,8 @@
       "links": [
         "https://developer.mozilla.org/en-US/docs/Web/Security",
         "https://letsencrypt.org/"
-      ]
+      ],
+      "icon": "fas-cog"
     },
     {
       "id": "owasp",
@@ -36,7 +39,8 @@
       "links": [
         "https://owasp.org/",
         "https://owasp.org/www-project-top-ten/"
-      ]
+      ],
+      "icon": "fas-cog"
     },
     {
       "id": "csrf-xss",
@@ -45,7 +49,8 @@
       "links": [
         "https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html",
         "https://cheatsheetseries.owasp.org/cheatsheets/Cross_Site_Scripting_Prevention_Cheat_Sheet.html"
-      ]
+      ],
+      "icon": "fas-cog"
     },
     {
       "id": "penetration-testing",
@@ -54,7 +59,8 @@
       "links": [
         "https://owasp.org/www-community/Penetration_Testing_Methodologies",
         "https://www.kali.org/"
-      ]
+      ],
+      "icon": "fas-user-shield"
     },
     {
       "id": "cryptography",
@@ -63,7 +69,8 @@
       "links": [
         "https://cryptography.io/",
         "https://developer.mozilla.org/en-US/docs/Web/API/Web_Crypto_API"
-      ]
+      ],
+      "icon": "fas-cog"
     },
     {
       "id": "auth0",
@@ -72,7 +79,8 @@
       "links": [
         "https://auth0.com/",
         "https://auth0.com/docs"
-      ]
+      ],
+      "icon": "fas-cog"
     },
     {
       "id": "keycloak",
@@ -81,7 +89,8 @@
       "links": [
         "https://www.keycloak.org/",
         "https://www.keycloak.org/documentation"
-      ]
+      ],
+      "icon": "fas-cog"
     },
     {
       "id": "vault",
@@ -90,7 +99,8 @@
       "links": [
         "https://www.vaultproject.io/",
         "https://learn.hashicorp.com/vault"
-      ]
+      ],
+      "icon": "fas-cog"
     }
   ]
-}
+}