feat: Add lineage service for KnowledgeBaseService

Author: MoeexT

backend/shared/domain-common/src/main/java/com/datamate/common/domain/enums/EdgeType.java

@@ -10,5 +10,6 @@ public enum EdgeType {
     DATA_CLEANING,
     DATA_LABELING,
     DATA_SYNTHESIS,
-    DATA_RATIO
+    DATA_RATIO,
+    KNOWLEDGE_BASE,
 }