added some help text for InsertObjectModal, closes #44

conda/js/src/components/toolchain/InsertObjectModal.jsx

@@ -311,6 +311,13 @@ class InsertObjectModal extends React.PureComponent<Props, State> {
 					Insert blocks from an existing object
 				</ModalHeader>
 				<ModalBody>
+					<FormGroup row>
+						<Col>
+							<span className='text-muted'>
+								Insert the blocks from a compatible BEAT object into this toolchain. You may insert an existing toolchain or blocks generated from a database protocol, database protocol set, or algorithm.
+							</span>
+						</Col>
+					</FormGroup>
 					<FormGroup row>
 						<Col>
 						</Col>