Add skill removal functionality and enhance UI components

- Integrated onRemoveSkill functionality in SkillEvaluation, SkillSelector, and SkillEvaluationCard components for better skill management.
- Updated UI to improve user experience when removing skills, including tooltip descriptions and styling adjustments.
- Added new skills to backend, devops, frontend, and mobile JSON files for comprehensive skill coverage.

public/data/skills/data.json

@@ -0,0 +1,96 @@
+{
+  "category": "Data",
+  "icon": "database",
+  "skills": [
+    {
+      "id": "sql",
+      "name": "SQL",
+      "description": "Langage de requête pour bases de données relationnelles",
+      "links": [
+        "https://www.postgresql.org/docs/",
+        "https://dev.mysql.com/doc/"
+      ]
+    },
+    {
+      "id": "postgresql",
+      "name": "PostgreSQL",
+      "description": "Base de données relationnelle open source avancée",
+      "links": [
+        "https://www.postgresql.org/",
+        "https://www.postgresql.org/docs/"
+      ]
+    },
+    {
+      "id": "mongodb",
+      "name": "MongoDB",
+      "description": "Base de données NoSQL orientée documents",
+      "links": [
+        "https://www.mongodb.com/",
+        "https://docs.mongodb.com/"
+      ]
+    },
+    {
+      "id": "redis",
+      "name": "Redis",
+      "description": "Base de données en mémoire, cache et courtier de messages",
+      "links": [
+        "https://redis.io/",
+        "https://redis.io/docs/"
+      ]
+    },
+    {
+      "id": "elasticsearch",
+      "name": "Elasticsearch",
+      "description": "Moteur de recherche et d'analyse distribué",
+      "links": [
+        "https://www.elastic.co/elasticsearch/",
+        "https://www.elastic.co/guide/"
+      ]
+    },
+    {
+      "id": "python-data",
+      "name": "Python (Data Science)",
+      "description": "Python pour l'analyse de données et machine learning",
+      "links": [
+        "https://pandas.pydata.org/",
+        "https://scikit-learn.org/"
+      ]
+    },
+    {
+      "id": "tableau",
+      "name": "Tableau",
+      "description": "Plateforme de visualisation de données",
+      "links": [
+        "https://www.tableau.com/",
+        "https://help.tableau.com/"
+      ]
+    },
+    {
+      "id": "powerbi",
+      "name": "Power BI",
+      "description": "Service d'analyse de données de Microsoft",
+      "links": [
+        "https://powerbi.microsoft.com/",
+        "https://docs.microsoft.com/power-bi/"
+      ]
+    },
+    {
+      "id": "spark",
+      "name": "Apache Spark",
+      "description": "Moteur de traitement de données distribuées",
+      "links": [
+        "https://spark.apache.org/",
+        "https://spark.apache.org/docs/"
+      ]
+    },
+    {
+      "id": "airflow",
+      "name": "Apache Airflow",
+      "description": "Plateforme d'orchestration de workflows",
+      "links": [
+        "https://airflow.apache.org/",
+        "https://airflow.apache.org/docs/"
+      ]
+    }
+  ]
+}