docs: addition of new releases
docs: addition of new releases

* Adds information about new Invenio releases (v1.0.10, v1.1.7, v1.2.2).

Signed-off-by: Tibor Simko <c7116e45300b163846dc01f3ed02116e3f8ef7a5@cern.ch>

inveniosoftware/invenio,inveniosoftware/invenio,tiborsimko/invenio,tiborsimko/invenio