feat(wren-ui): Detects schema change - table & column

[andreashimin]

New PR from #339 (The old PR closed because it's base branch has been merged & deleted)

Description

• [x] Get schema change API - Query

  query SchemaChange {
     schemaChange {
       deletedTables
       deletedColumns
       modifiedColumns
    }
  }

• [x] Trigger schema change API - Mutation

  mutation Mutation {
     triggerDataSourceDetection
  }

• [x] Resolve schema change API - Mutation

  # The modified columns is not support for resolving schema changes
  enum SchemaChangeType {
    DELETED_TABLES
    DELETED_COLUMNS
    MODIFIED_COLUMNS
  }
  
  input ResolveSchemaChangeWhereInput {
    type: SchemaChangeType!
  }
  
  mutation Mutation($where: ResolveSchemaChangeWhereInput!) {
    resolveSchemaChange(where: $where)
  }