* Adding Nanodet implementation

* add some changes

* Finall changes, demos are done, configs alterd and better dataset implementation for ExternalDatasets. Test nanodet impelentation added

* for tx2 and nx testing

* Fix bug with save and loads, docs, added verbose in all methods, discart some unused code

* new changes for inference and load - save for opendr standarts.

* delete unused code and pep8 fixes

* temp

* pep8 fixes and deleted unused code

* tutorial

* .gitmodules fix

* name changes for easier use

* pep8 fixes

* pep8 fixes, unused code deletion, bug fixes

* ignore licensed from third party, bug fixes in tests

* bug fixes in test and memory alocation

* new implementation for changes in learner

* Revert change

* undo change

* Undo change

* Add nanodet test

* Add nanodet tests

* delete unwanted script

* specify device in all cases

* bug fix

* pep8 fix

* Added missing __init__.py

* Added missing __init__.py

* pep8 fix

* pep8 fix

* Added missing __init__.py

* Added missing __init__.py

* ros node implementation of Nanodet toolkit

* Update projects/opendr_ws/src/perception/README.md

Co-authored-by: Stefania Pedrazzi <stefaniapedrazzi@users.noreply.github.com>

* Update projects/opendr_ws/src/perception/README.md

Co-authored-by: Stefania Pedrazzi <stefaniapedrazzi@users.noreply.github.com>

* Update projects/perception/object_detection_2d/nanodet/README.md

Co-authored-by: Stefania Pedrazzi <stefaniapedrazzi@users.noreply.github.com>

* Update src/opendr/perception/object_detection_2d/nanodet/algorithm/config/config_file_detail.md

Co-authored-by: Stefania Pedrazzi <stefaniapedrazzi@users.noreply.github.com>

* Update src/opendr/perception/object_detection_2d/nanodet/algorithm/config/config_file_detail.md

Co-authored-by: Stefania Pedrazzi <stefaniapedrazzi@users.noreply.github.com>

* Update src/opendr/perception/object_detection_2d/nanodet/algorithm/config/config_file_detail.md

Co-authored-by: Stefania Pedrazzi <stefaniapedrazzi@users.noreply.github.com>

* Update src/opendr/perception/object_detection_2d/nanodet/algorithm/config/config_file_detail.md

Co-authored-by: Stefania Pedrazzi <stefaniapedrazzi@users.noreply.github.com>

* Update src/opendr/perception/object_detection_2d/nanodet/algorithm/config/config_file_detail.md

Co-authored-by: Stefania Pedrazzi <stefaniapedrazzi@users.noreply.github.com>

* changes from the comment for better readability and some fixes in ReadMe and dock files.

* exclude termcolor and fix typo

* changes to merge with the new develop branch

Co-authored-by: passalis <passalis@csd.auth.gr>
Co-authored-by: Nikolaos Passalis <passalis@users.noreply.github.com>
Co-authored-by: Kostas Tsampazis <27914645+tsampazk@users.noreply.github.com>
Co-authored-by: Stefania Pedrazzi <stefaniapedrazzi@users.noreply.github.com>
Co-authored-by: ad-daniel <44834743+ad-daniel@users.noreply.github.com>