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/data.json

@@ -9,7 +9,8 @@
       "links": [
         "https://www.postgresql.org/docs/",
         "https://dev.mysql.com/doc/"
-      ]
+      ],
+      "icon": "fas-database"
     },
     {
       "id": "postgresql",
@@ -18,7 +19,8 @@
       "links": [
         "https://www.postgresql.org/",
         "https://www.postgresql.org/docs/"
-      ]
+      ],
+      "icon": "fas-cog"
     },
     {
       "id": "mongodb",
@@ -27,7 +29,8 @@
       "links": [
         "https://www.mongodb.com/",
         "https://docs.mongodb.com/"
-      ]
+      ],
+      "icon": "fas-cog"
     },
     {
       "id": "redis",
@@ -36,7 +39,8 @@
       "links": [
         "https://redis.io/",
         "https://redis.io/docs/"
-      ]
+      ],
+      "icon": "fas-cog"
     },
     {
       "id": "elasticsearch",
@@ -45,7 +49,8 @@
       "links": [
         "https://www.elastic.co/elasticsearch/",
         "https://www.elastic.co/guide/"
-      ]
+      ],
+      "icon": "fas-search"
     },
     {
       "id": "python-data",
@@ -54,7 +59,8 @@
       "links": [
         "https://pandas.pydata.org/",
         "https://scikit-learn.org/"
-      ]
+      ],
+      "icon": "fas-cog"
     },
     {
       "id": "tableau",
@@ -63,7 +69,8 @@
       "links": [
         "https://www.tableau.com/",
         "https://help.tableau.com/"
-      ]
+      ],
+      "icon": "fas-chart"
     },
     {
       "id": "powerbi",
@@ -72,7 +79,8 @@
       "links": [
         "https://powerbi.microsoft.com/",
         "https://docs.microsoft.com/power-bi/"
-      ]
+      ],
+      "icon": "fab-microsoft"
     },
     {
       "id": "spark",
@@ -81,7 +89,8 @@
       "links": [
         "https://spark.apache.org/",
         "https://spark.apache.org/docs/"
-      ]
+      ],
+      "icon": "fas-bolt"
     },
     {
       "id": "airflow",
@@ -90,7 +99,8 @@
       "links": [
         "https://airflow.apache.org/",
         "https://airflow.apache.org/docs/"
-      ]
+      ],
+      "icon": "fas-stream"
     }
   ]
-}
+}