Resolve "Rename the "Back to Categories" button on individual resource pages."

Closes #91

See merge request hmc/hmc/cct-1-mapping/information-portal/frontend!76

Edit Mapping Items

See merge request hmc/hmc/cct-1-mapping/information-portal/frontend!66

The data didn't get updated when clicking the save button without triggering the data change event (e.g. editing a string and then directly clicking the button did not trigger the change event).

Resolve "Fix yarn version for Leon."

See merge request hmc/hmc/cct-1-mapping/information-portal/frontend!72

Merge branch '90-upgrade-array-item-move-and-delete-buttons-to-heroicons' into 'mapping_item_edit_feature'

Resolve "Upgrade array item move and delete buttons to Heroicons."

See merge request hmc/hmc/cct-1-mapping/information-portal/frontend!73

Merge branch '88-add-helmholtz-brand-style-guide-colors-to-tailwind' into 'mapping_item_edit_feature'

Resolve "Add Helmholtz brand style guide colors to tailwind."

See merge request hmc/hmc/cct-1-mapping/information-portal/frontend!71

Merge branch '87-add-contactform-components-for-editing-contact-object-arrays-of-individual-resources-2' into 'mapping_item_edit_feature'

Resolve "Add ContactForm components for editing contact object arrays of individual resources."

See merge request hmc/hmc/cct-1-mapping/information-portal/frontend!70

Resolve "Small TS fix in Textarea components."

See merge request hmc/hmc/cct-1-mapping/information-portal/frontend!68

Resolve "ToDo from office"

Closes #84

See merge request hmc/hmc/cct-1-mapping/information-portal/frontend!65