Renamed TeraFlowSDN Debug-API to TFS-API

manifests/nginx_ingress_http.yaml

scripts/run_tests_locally-nbi-tfs-api.sh

src/device/service/drivers/flexscale/FlexScaleDriver.py

src/device/service/drivers/ietf_l2vpn/IetfL2VpnDriver.py

src/device/service/drivers/ietf_l2vpn/TfsApiClient.py

src/nbi/.gitlab-ci.yml

src/nbi/service/__main__.py

src/nbi/service/rest_server/nbi_plugins/tfs_api/Resources.py

src/nbi/service/rest_server/nbi_plugins/tfs_api/Tools.py

src/nbi/service/rest_server/nbi_plugins/tfs_api/__init__.py

src/nbi/tests/PrepareTestScenario.py

src/nbi/tests/data/tfs_api_dummy.json

src/nbi/tests/test_tfs_api.py

src/webui/service/templates/main/debug.html