Merge branch '861-doc-for-maintainance-tasks-still-mentions-yarn-install' into 'master'

Resolve "Doc for maintainance tasks still mentions yarn install"

Closes #861

See merge request !1251

docs/dev/01_setup.rst

@@ -90,7 +90,7 @@ All three steps can be done with the ``poetry shell`` command and
 ``aleksis-admin``::
 
   ALEKSIS_maintenance__debug=true ALEKSIS_database__password=aleksis poetry shell
-   poetry run aleksis-admin yarn install
+   poetry run aleksis-admin vite build
    poetry run aleksis-admin collectstatic
    poetry run aleksis-admin compilemessages
    poetry run aleksis-admin migrate