Tsk 374 add jina colbert v2 (#378)

* feat: Added support for jina-colbert-v2

* chore: Generalized query marker and document marker

* nit: remove github action on dispatch

* chore: updated license

* fix: Fix attention mask to be all 1 in xlmrobertatokenizer

* feat: Added class for JinaColbertV2

* feat: Added jina colbert

* chore: Change tolerance of the test

* chore: Changed encoding of attention mask to 1 to be only in queries

* chore: Changed the replacable token to be ' @' as its considered as one token

* chore: Removed redundant functions

* chore: Updated supported models docs

* nit: Remove print statement

* nit: visual stuff

* fix: Fix dimention of jina colbert in description

* fix: canonical query and document values for jina colbert

Author: hh-space-invader