fix(core): add external association to body type

Author: WikiRik

src/views/core/bodies/Edit.vue

@@ -16,6 +16,7 @@
                 <option value="committee">Committee</option>
                 <option value="project">Project</option>
                 <option value="partner">Partner association</option>
+                <option value="external">External association</option>
                 <option value="other">Other</option>
               </select>
             </div>

src/views/core/bodies/List.vue

@@ -116,6 +116,7 @@ export default {
         { value: 'committee', name: 'Committee' },
         { value: 'project', name: 'Project' },
         { value: 'partner', name: 'Partner' },
+        { value: 'external', name: 'External' },
         { value: 'other', name: 'Other' }
       ],
       selectedTypes: [],