- added doi registration

- npm updates for webpack-encore and postcss-loader
- DatasetExtension.ts: use relation contributors for PersonContributor
- added DoiClient.ts and DoiClientContract.ts
- rozes.ts: addes routes for creating and storing doi identifier
- addes xslt doi_datacite.xslt needed for registering DOI identifier

resources/js/Pages/Editor/Dataset/Index.vue

@@ -158,6 +158,11 @@ const getRowClass = (dataset) => {
                                             :route-name="stardust.route('editor.dataset.publish', [dataset.id])"
                                             color="info" :icon="mdiBookEdit" :label="'Publish'" small /> 
 
+                                        <BaseButton
+                                            v-if="can.publish && (dataset.server_state == 'published' && !dataset.identifier)"
+                                            :route-name="stardust.route('editor.dataset.doi', [dataset.id])"
+                                            color="info" :icon="mdiBookEdit" :label="'Mint DOI'" small />
+
                                     </BaseButtons>
                                 </td>
                             </tr>