fix: Issue 523, 536 to delete duplicate queries and create cost center schema and queries

backend/dataconnect/connector/costCenter/queries.gql

@@ -0,0 +1,47 @@
+
+# ----------------------------------------------------------
+# LIST ALL COST CENTERS
+# ----------------------------------------------------------
+query listCostCenters(
+  $offset: Int
+  $limit: Int
+) @auth(level: USER) {
+  costCenters(offset: $offset, limit: $limit) {
+    id
+    name
+    createdAt
+    updatedAt
+    createdBy
+  }
+}
+
+# ----------------------------------------------------------
+# GET BY ID
+# ----------------------------------------------------------
+query getCostCenterById($id: UUID!) @auth(level: USER) {
+  costCenter(id: $id) {
+    id
+    name
+    createdAt
+    updatedAt
+    createdBy
+  }
+}
+
+# ----------------------------------------------------------
+# GET COST CENTER LINKED TO A SPECIFIC HUB
+# ----------------------------------------------------------
+query getCostCenterByHubId($hubId: UUID!) @auth(level: USER) {
+  hubs(where: { id: { eq: $hubId } }) {
+    id
+    name
+    costCenterId
+    costCenter {
+      id
+      name
+      createdAt
+      updatedAt
+      createdBy
+    }
+  }
+}